SCHEDULE 14A
                                 (RULE 14a-101)

                    INFORMATION REQUIRED IN PROXY STATEMENT
                            SCHEDULE 14A INFORMATION

          PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES
                              EXCHANGE ACT OF 1934
Filed by the Registrant [X]
Filed by a Party other than the Registrant [ ]
Check the appropriate box:


                                            
[X]  Preliminary Proxy Statement
[ ]  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
[ ]  Definitive Proxy Statement
[ ]  Definitive Additional Materials
[ ]  Soliciting Material Pursuant to Section 240.14a-11c or Section 240.14a-12


                              SPARTON CORPORATION
--------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)

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                   (Name of Person(s) Filing Proxy Statement)

Payment of Filing Fee (Check the appropriate box):

[X]  No fee required.

[ ]  Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

     (1)  Title of each class of securities to which transaction applies:

          ----------------------------------------------------------------------

     (2)  Aggregate number of securities to which transaction applies:

          ----------------------------------------------------------------------

     (3)  Per unit price or other underlying value of transaction computed
          pursuant to Exchange Act Rule 0-11 (set forth the amount on which the
          filing fee is calculated and state how it was determined):

          ----------------------------------------------------------------------

     (4)  Proposed maximum aggregate value of transaction:

          ----------------------------------------------------------------------

     (5)  Total fee paid:

          ----------------------------------------------------------------------

[ ]  Fee paid previously with preliminary materials.

[ ]  Check box if any part of the fee is offset as provided by Exchange Act Rule
     0-11(a)(2) and identify the filing for which the offsetting fee was paid
     previously. Identify the previous filing by registration statement number,
     or the Form or Schedule and the date of its filing.

     (1)  Amount Previously Paid:

          ----------------------------------------------------------------------

     (2)  Form, Schedule or Registration Statement No.:

          ----------------------------------------------------------------------

     (3)  Filing Party:

          ----------------------------------------------------------------------

     (4)  Date Filed:

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                           [SPARTON CORPORATION LOGO]

                    NOTICE OF SPECIAL MEETING OF SHAREHOLDERS

To Our Shareholders:

         Notice is hereby given that a Special Meeting of Shareholders of
Sparton Corporation will be held at the offices of the Company, 2400 East Ganson
Street, Jackson, Michigan 49202, on Friday, September 24, 2004, at 2:00 p.m.,
Eastern Daylight Savings Time, for the following purposes:

         (1)      To consider and vote upon a proposal to eliminate cumulative
voting in the election of directors.

         (2)      To consider and vote upon a proposal to require timely written
notice of shareholder nominations for the election of directors.

         (3)      To transact such other business as may properly come before
the meeting or at any adjournments thereof.

         Only holders of Common Stock of record at the close of business on
August 9, 2004, are entitled to notice of and to vote at the meeting.

                                              By Order of the Board of Directors

                                              JOSEPH S. LERCZAK,
                                              Secretary

Jackson, Michigan
August 16, 2004

--------------------------------------------------------------------------------
                                    IMPORTANT
ALL SHAREHOLDERS ARE CORDIALLY INVITED TO ATTEND THE MEETING. WHETHER OR NOT YOU
PLAN TO ATTEND IN PERSON, YOU ARE URGED TO SIGN AND DATE THE PROXY ENCLOSED AND
RETURN IT PROMPTLY IN THE ENVELOPE PROVIDED, OR USE OUR TELEPHONE OR INTERNET
VOTING SYSTEM AS PROMPTLY AS POSSIBLE. This will assure your representation and
a quorum for the transaction of business at the meeting. If you do attend the
meeting in person, the Proxy will not be used if you so request by revoking it
as described in the Proxy Statement.
--------------------------------------------------------------------------------



                               SPARTON CORPORATION
                             2400 EAST GANSON STREET
                             JACKSON, MICHIGAN 49202

                                 PROXY STATEMENT

    FOR THE SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON SEPTEMBER 24, 2004

                                  SOLICITATION

         This Proxy Statement is furnished in connection with the solicitation
by the Board of Directors of SPARTON CORPORATION, an Ohio corporation (the
"Company"), of proxies for use at the Special Meeting of Shareholders of the
Company (the "Special Meeting") to be held at the offices of the Company, 2400
East Ganson Street, Jackson, Michigan 49202, on September 24, 2004 at 2:00 p.m.,
Eastern Daylight Savings Time, and at any and all adjournments thereof. The cost
of solicitation will be paid by the Company. The Company has retained Morrow &
Company, Inc. to assist in the solicitation of proxies at an estimated cost of
$17,500, plus expenses, which will be paid by the Company. In addition, officers
and employees of the Company and its subsidiaries may solicit proxies
personally, by telephone, facsimile, email or other means, without additional
compensation. This Proxy Statement and the form of Proxy are being mailed to
shareholders on or about August 16, 2004.

         At the meeting, the Company's shareholders will be asked to (i)
consider a proposal to amend the Company's Amended Articles of Incorporation to
eliminate cumulative voting in the election of directors, (ii) consider a
proposal to amend the Company's Code of Regulations to require timely written
notice of shareholder nominations for the election of directors, and (iii)
transact such other business as may properly come before the meeting.

                       OUTSTANDING STOCK AND VOTING RIGHTS

         In accordance with the Code of Regulations of the Company, the Board of
Directors has fixed the close of business on August 9, 2004, as the record date
for determination of shareholders entitled to notice of, and to vote at, the
Special Meeting. Only shareholders of record on that date will be entitled to
vote. As of August 9, 2004, the record date for the Special Meeting, the Company
had outstanding 8,351,538 shares of Common Stock, each entitled to one vote at
the Special Meeting. Votes will be counted by Illinois Stock Transfer Company,
the inspectors of election appointed by the Company.

VOTING BY PROXY:

         If a stockholder is a corporation or partnership, the accompanying
proxy card must be signed in the full corporate or partnership name by a duly
authorized person. If the proxy card is signed pursuant to a power of attorney
or by an executor, administrator, trustee or guardian, the



signer's full title must be given and a certificate or other evidence of
appointment must be furnished. If shares are owned jointly, each joint owner
must sign the proxy card.

         You can vote in one of four ways. You can vote by mail, you can
authorize the voting of your shares over the Internet, you can authorize the
voting of your shares by telephone or you can vote in person at the Special
Meeting.

         If you choose to vote by mail, you may vote by completing and signing
the proxy card that accompanies this Proxy Statement and promptly mailing it in
the enclosed postage-prepaid envelope. You do not need to put a stamp on the
enclosed envelope if you mail it in the United States. The shares you own will
be voted according to the instructions on the proxy card you mail. If you return
the proxy card, but do not give any instructions on a particular matter
described in this Proxy Statement, the shares you own will be voted in
accordance with the recommendations of the Company's Board of Directors. If you
choose to vote by mail, your duly signed proxy card must be received by 2:00
p.m. Eastern Daylight Savings Time on September 23, 2004.

         If you choose to vote by telephone or the Internet, instructions for a
stockholder of record to vote by telephone or the Internet are set forth on the
enclosed proxy card. The telephone and Internet voting procedures are designed
to authenticate votes cast by use of a personal identification number that
appears on the proxy card. These procedures, which comply with Ohio law, allow
stockholders to appoint a proxy to vote their shares and to confirm that their
instructions have been properly recorded. If you vote by telephone or the
Internet, you do not have to mail in your proxy card, but your vote must be
received by 11:59 p.m. Central Daylight Savings Time on September 23, 2004.

         If you participate in the Company's 401(k) Plan and hold shares in your
plan account, you may give voting instructions as to the number of shares
credited to your account as of the record date. Only the trustee of the 401(k)
Plan may vote your plan shares. You may provide voting instructions to the plan
trustee through any of the voting methods described above, except that you may
not vote your plan shares in person at the Special Meeting. Your voting
instructions must be received before 11:59 p.m. Central Daylight Savings Time on
September 23, 2004.

         If you are not the record holder of the shares you own because they are
held in "street name" by a bank or brokerage firm, your bank or brokerage firm
is required to vote your shares according to your instructions. In order to vote
your shares, you will need to follow the directions your bank or brokerage firm
provides you. Many banks and brokerage firms also offer the option of voting
over the Internet or by telephone, instructions for which would be provided by
your bank or brokerage firm on your vote instruction form. Under the rules of
the New York Stock Exchange, if you do not give instructions to your bank or
brokerage firm, it will still be able to vote your shares with respect to
certain "discretionary" items, but it will not be allowed to vote your shares
with respect to certain "non-discretionary" items. In the case of
non-discretionary items, for which no instructions are received, the shares will
be treated as "broker non-votes" and will have the effect of a vote against the
first two proposals described in this Proxy Statement.



         Any proxy duly given pursuant to this solicitation may be revoked by
the stockholder, at any time prior to voting, by written notice to the Secretary
of the Company, by a later-dated proxy either signed and returned by mail or
transmitted using the telephone or Internet voting procedures before the Special
Meeting, or by attending the Special Meeting and voting in person. Attendance at
the Special Meeting will not in and of itself constitute a revocation of a
proxy. Participants in the Company's 401(k) Plan who hold shares in their plan
account and desire to revoke their voting instructions must do so before 11:59
p.m. Central Daylight Savings Time on September 23, 2004.

PRINCIPAL SHAREHOLDERS:

         As of June 30, 2004, the persons named in the following table were
known by management to be the beneficial owners of more than 5% of the Company's
outstanding Common Stock:



-----------------------------------------------------------------------------------------------------------------
       NAME AND ADDRESS                                 AMOUNT AND NATURE
      OF BENEFICIAL OWNER                            OF BENEFICIAL OWNERSHIP               PERCENT OF CLASS
-----------------------------------------------------------------------------------------------------------------
                                                                                     

John J. Smith Trust                                        1,019,921  (1)                     12.2%  (1)
-----------------------------------------------------------------------------------------------------------------

Bradley O. Smith
6043 N. Gatehouse, SE
Grand Rapids, MI 49546                                     1,184,812  (2)                     14.2%  (2)
-----------------------------------------------------------------------------------------------------------------

Dimensional Fund Advisors, Inc.
1299 Ocean Avenue, 11th Floor
Santa Monica, CA 90401                                       485,063  (3)                      5.8%  (3)
-----------------------------------------------------------------------------------------------------------------

Lawndale Capital Management, LLC
591 Redwood Highway
Suite 2345
Mill Valley, CA 94941                                        607,677  (4)                      7.3%  (4)
-----------------------------------------------------------------------------------------------------------------

Judith A. Sare
4302 Channel Drive
Akron, OH  44319                                             486,778  (5)                      5.8%  (5)
-----------------------------------------------------------------------------------------------------------------


(1)      Bradley O. Smith is a co-trustee  and a  beneficiary  of the John J.
         Smith Trust and shares voting and investment power over the shares
         held by the trust.

(2)      Includes 575,278 shares owned  individually by Mr. Bradley O. Smith,
         197,549 shares owned by Mr. Smith jointly with his wife, Sharon A.
         Smith, and 112,324 shares owned by the Lawson K. Smith Trust of which
         Mr. Smith is the beneficiary of 56,162 shares and for which he serves
         as the trustee with sole voting and investment power over such shares.
         Also includes 286,790 shares held by the Lawson and Margaret Smith
         Irrevocable Trust, of which Mr. Smith is a beneficiary, and has sole
         voting and investment power and 12,225 shares owned by Mr. Smith's
         wife, Sharon A. Smith. Also includes 646 shares which are held in his
         account in the Company's 401(k) plan. Does



         not include 18,441 shares which Mr. Smith has the right to acquire
         pursuant to options exercisable within 60 days, or the 1,019,921 shares
         owned by the John J. Smith Trust, discussed above, the voting and
         investment powers for which are shared by Mr. Smith as a co-trustee.

(3)      Shares presented are according to information  included in the Form 13G
         Report filed on February 6, 2004, by Dimensional Fund Advisors Inc.
         ("Dimensional"), a registered investment advisor. Dimensional is deemed
         to have beneficial ownership of 485,063 shares of Common Stock, all of
         which shares are held in portfolios of investment companies, commingled
         group trusts or separate accounts for which Dimensional Fund Advisors
         Inc. serves as investment advisor or manager. Dimensional possesses
         sole voting and investment power over all such shares. Dimensional
         disclaims beneficial ownership of all such shares. The 5.8% of class is
         based on Dimensional's reporting of shares held at December 31, 2003,
         and shares outstanding as of June 30, 2004.

(4)      According to information in the Form 13D Report filed on October 28,
         2003 by Lawndale Capital Management, LLC ("Lawndale"), a registered
         investment advisor, Andrew E. Shapiro, the sole manager of Lawndale,
         and Diamond A. Partners, L.P., a fund managed by Lawndale, Lawndale is
         deemed to have beneficial ownership of 607,677 shares of common stock,
         adjusted for the 5% stock dividend paid in December 2003. Does not
         include 1,102 shares (similarly adjusted) owned by Mr. Shapiro. The
         7.3% of class is based on Lawndale's reporting of shares held at
         October 21, 2003 ( as adjusted), and shares outstanding as of June 30,
         2004.

(5)      According  to the  information  in the Form 13G Report filed as of July
         29, 2004, by Judith A. Sare, Mrs. Sare is deemed to have beneficial
         ownership of (486,778) shares of common stock. This includes (318,030)
         shares owned individually by Mrs. Sare and (__________) shares owned by
         Mrs. Sare jointly with her husband Paul W. Sare. It also includes
         (__________) shares owned by Mrs. Sare's husband Paul W. Sare. Does not
         include 56,162 shares owned by the Lawson K. Smith Trust of which Mrs.
         Sare is the beneficiary but for which Bradley O. Smith serves as the
         trustee with sole voting and investment power over such shares. Judith
         A. Sare is the sister of Bradley O. Smith. The 5.8% of class is based
         on Mrs. Sare's reporting of shares and shares outstanding as of June
         30, 2004.

SECURITY OWNERSHIP OF MANAGEMENT:

         As of June 30, 2004, the following table shows the shares of the
Company's Common Stock beneficially owned (except as noted) by the Company's
Chief Executive Officer and its four next most highly compensated executive
officers, by each of the directors of the Company and by all officers and
directors of the Company as a group. Unless otherwise indicated by footnote,
each individual has sole voting power and owns the shares directly, or shares
voting and investment power with his spouse or other family members under joint
ownership.





--------------------------------------------------------------------------------------------------------------------------
       NAME OF                                                            AMOUNT AND NATURE
   BENEFICIAL OWNER                                                    OF BENEFICIAL OWNERSHIP        PERCENT OF CLASS (1)
--------------------------------------------------------------------------------------------------------------------------
                                                                                                
James N. DeBoer                                                               6,182  (2)                        *
--------------------------------------------------------------------------------------------------------------------------
James D. Fast                                                                 2,687  (2)                        *
--------------------------------------------------------------------------------------------------------------------------
David W. Hockenbrocht                                                       489,984  (3)                     5.7%
--------------------------------------------------------------------------------------------------------------------------
Richard M. Johns, M.D.                                                          814  (4)                        *
--------------------------------------------------------------------------------------------------------------------------
Douglas E. Johnson                                                           33,017  (5)                        *
--------------------------------------------------------------------------------------------------------------------------
Richard L. Langley                                                           61,690  (6)                        *
--------------------------------------------------------------------------------------------------------------------------
David P. Molfenter                                                            2,467  (2)                        *
--------------------------------------------------------------------------------------------------------------------------
William I. Noecker                                                            1,365  (2)                        *
--------------------------------------------------------------------------------------------------------------------------
W. Peter Slusser                                                              2,467  (2)                        *
--------------------------------------------------------------------------------------------------------------------------
Bradley O. Smith                                                          1,203,253  (7)                    14.0%
--------------------------------------------------------------------------------------------------------------------------
Michael D. Sobolewski                                                         6,513  (8)                        *
--------------------------------------------------------------------------------------------------------------------------
Charles A. Stranko                                                            7,741  (9)                        *
--------------------------------------------------------------------------------------------------------------------------
All Officers and Directors                                                2,899,212  (10)                   33.8%
--------------------------------------------------------------------------------------------------------------------------


*        Denotes a percentage of less than 1%.

(1)      Calculation is based on total shares outstanding plus an assumption
         that the shares subject to options exercisable within 60 days have been
         acquired and are outstanding.

(2)      Includes 1,365 shares, which Messrs. DeBoer, Fast, Molfenter, Noecker
         and Slusser each have the right to acquire pursuant to options
         exercisable within 60 days.

(3)      Includes 74,288 shares, which Mr. Hockenbrocht has the right to acquire
         pursuant to options exercisable within 60 days. The amount also
         includes 351,807 shares held by one of the Company's retirement plans,
         as to which Mr. Hockenbrocht holds voting and investment power in his
         capacity as Chief Executive Officer of the Company. Although Mr.
         Hockenbrocht is a participant in the plan, he disclaims beneficial
         ownership of the shares held by the plan. Finally, 1,928 shares are
         included which are held in his account in the Company's 401(k) plan.

(4)      Includes 814 shares, which Mr. Johns has the right to acquire pursuant
         to options exercisable within 60 days.

(5)      Includes 26,184 shares, which Mr. Johnson has the right to acquire
         pursuant to options exercisable within 60 days. Also includes 1,321
         shares, which are held in his account in the Company's 401(k) plan.

(6)      Includes 44,363 shares, which Mr. Langley has the right to acquire
         pursuant to options exercisable within 60 days. Also includes 1,121
         shares, which are held in his account in the Company's 401(k) plan.

(7)      Includes 18,441 shares, which Mr. Smith has the right to acquire
         pursuant to options exercisable within 60 days. Reference should also
         be made to note (2) under the heading "Principal Shareholders."

(8)      Includes 5,644 shares, which Mr. Sobolewski has the right to acquire
         pursuant to options exercisable within 60 days. Also includes 869
         shares, which are held in his account in the Company's 401(k) plan.

(9)      Includes 6,810 shares, which Mr. Stranko has the right to acquire
         pursuant to options exercisable within 60 days. Also includes 931
         shares, which are held in his account in the Company's 401(k) plan.

(10)     Includes 231,013 shares under options held by all officers and
         directors exercisable within 60 days, 10,227 shares which are held in
         the Company's 401(k) Plan, and 1,019,921 shares held by the John J.
         Smith Trust of which Bradley O. Smith is co-trustee. Mr. Smith shares
         voting and investment power over the shares held by the trust.



I.       APPROVAL OF THE PROPOSAL TO ELIMINATE CUMULATIVE VOTING

         A.       GENERAL

         The Board of Directors has been engaged in a comprehensive review of
the Company's governance structure, pursuant to which it has updated and
strengthened its Corporate Governance Guidelines, applicable primarily to the
Board, and its Code of Business Conduct and Ethics, applicable primarily to and
communicated to all employees. In addition, the Company has adopted formal
charters for its Board committees, and provided that all of the members of the
Audit, Compensation and Nominating/Corporate Governance Committees will be
independent directors. The Company has also separated the positions of Chairman
of the Board and Chief Executive Officer and established a formal communications
process for shareholders to use in communicating with the Board or management.
The proposal to eliminate cumulative voting in the election of directors is
believed to be another step that will improve the Company's corporate governance
structure.

         Section 1701.55 of the Ohio General Corporation Law provides that,
unless otherwise eliminated in a corporation's articles of incorporation,
shareholders have the right to cumulate their votes in the election of
directors. The current Amended Articles of Incorporation of the Company do not
eliminate the right of shareholders to cumulate their votes in this manner. The
Board of Directors, believes, however that cumulative voting is not a desired
method of electing directors. See "Reasons for the Elimination of Cumulative
Voting." Accordingly, the Board is submitting for shareholder approval, and is
also recommending, an amendment to the Company's Amended Articles of
Incorporation to eliminate cumulative voting.

         B.       EXPLANATION OF CUMULATIVE VOTING

         Cumulative voting in the election of directors may currently be invoked
by any shareholder of the Company by complying with certain statutory
requirements in the Ohio General Corporation Law. Under cumulative voting in an
election of directors, holders of the Company's Common Stock are entitled to a
number of votes per share equal to the number of directors to be elected.
Holders of shares may cast all of their votes for a single director candidate or
distribute them among two or more director candidates. All directors are voted
upon simultaneously.

         As a consequence of cumulative voting, shareholders representing a
relatively small number of the voting shares have the power to nominate and
elect one or more directors. For example, if three directors were to be elected
at an annual meeting, shareholders holding slightly more than 25% of the shares
voted could nominate and elect one director by cumulating and casting their
three votes per share for a single candidate. The election of this candidate
would be achieved even if shareholders holding almost 75% of the shares voted
were opposed to the election of that candidate and cast their votes to elect
three other candidates. If only 80% of the shares are voted, shareholders
holding slightly more than 20% of the shares voted could elect



their candidate.

         Without cumulative voting, directors are elected by a plurality of
votes and shareholders are entitled to only one vote per share in the election
of each director. Consequently, the only director candidates who can be elected
are those who receive support from shareholders holding the greatest number of
voting shares. Accordingly, cumulative voting has no effect unless more
candidates are nominated than the number of directors to be elected.

         C.       REASONS FOR THE ELIMINATION OF CUMULATIVE VOTING

         The Board of Directors believes that approval of the proposal to
eliminate cumulative voting is in the best interests of the Company and its
shareholders, and is more consistent with the principle of "one share-one vote."

         The Board believes that every director of a publicly-held corporation
should represent the interests of all of its shareholders. It believes that
directors elected by a minority shareholder or group of shareholders through
cumulative voting are likely to be partisans of the particular interest group
which elected them, rather than representatives of all shareholders. Such
partisanship could disrupt the management of the Company and prevent it from
operating in the most effective manner for the benefit of all shareholders.
Further, the election of directors who view themselves as representing only a
particular minority constituency could introduce an element of discord on the
Board of Directors, impair the ability of the directors to work effectively and
discourage qualified independent individuals from serving as directors.

         If adopted the proposed amendment will apply to the 2004 Annual Meeting
of Shareholders.

         D.       FUTURE PROXIES IF CUMULATIVE VOTING IS NOT ELIMINATED

         The section of the Ohio General Corporation Law referred to in A.
above, provides that each shareholder has the right to vote cumulatively in the
election of directors, if any shareholder gives notice in compliance with
statutory requirements that he or she desires that voting be cumulative.
Cumulative voting has not been used in any recent election of directors of the
Company. In the past, no provision has been included in the Board's proxy for
such elections to authorize the named proxy voters to vote the shares of each
shareholder cumulatively.

         If the proposed resolution eliminating cumulative voting is not
approved, it is the intention of the Board to submit proxies to be used in
future elections of directors which add discretionary authority to the named
proxy voters to vote the shares of each shareholder cumulatively, if any
shareholder has properly elected cumulative voting.

         E.       ANTI-TAKEOVER EFFECTS

         Approval of the proposal to eliminate cumulative voting may make more
difficult any attempt by a holder or group of holders of a significant minority
of the shares of Common Stock



to monitor, change or influence the management or policies of the Company. In
addition, under certain circumstances, the proposal to eliminate cumulative
voting, along with other measures that may be viewed as having anti-takeover
effects, may discourage a takeover or business combination involving the Company
that a shareholder might consider to be in such shareholder's best interests,
including a takeover or business combination that might result in a premium over
the market price of the Common Stock. For example, the proposal to eliminate
cumulative voting may discourage the accumulation of large minority
shareholdings (as a prelude to a takeover or business combination proposal or
otherwise) by persons who would not make that acquisition without being assured
of representation on the Board of Directors.

         AN EFFECT OF THE ELIMINATION OF CUMULATIVE VOTING WOULD BE BOTH (A) TO
PERMIT A MAJORITY OF A QUORUM OF THE VOTING POWER IN THE ELECTION OR REMOVAL OF
DIRECTORS TO ELECT OR REMOVE EVERY DIRECTOR AND (B) TO PRECLUDE A MINORITY OF A
QUORUM OF THE VOTING POWER IN THE ELECTION OR REMOVAL OF DIRECTORS FROM ELECTING
OR PREVENTING THE REMOVAL OF ANY DIRECTOR.

         F.       RECOMMENDATION

         After considering the advantages and disadvantages of the proposal to
eliminate cumulative voting described above, the Board of Directors believes
that the proposal to eliminate cumulative voting is in the best interests of the
Company and its shareholders as it preserves the fundamental principle of "one
share-one vote." The Board of Directors of the Company recommends that each of
its shareholders vote to approve the proposal to eliminate cumulative voting.

         G.       TEXT OF THE PROPOSED AMENDMENT

         The proposed amendment will be effected by adoption of a shareholders'
resolution, which, if approved, will add a new second sentence to Article V of
the Company's Amended Articles of Incorporation to read as follows:

         No holder of shares of the Corporation of any class may vote
         cumulatively in the election of Directors.

         H.       VOTE REQUIRED FOR APPROVAL OF THE PROPOSED AMENDMENT

         The proposal to amend the Company's Amended Articles of Incorporation
will require the affirmative vote of at least two-thirds of the Company's issued
and outstanding shares of Common Stock entitled to vote at the Special Meeting.
Proxies solicited by management for which no specific direction is included will
be voted "FOR" the amendment to eliminate cumulative voting. The inspectors will
treat abstentions and broker non-votes as shares that are present for purposes
of determining the presence of a quorum, but such abstentions and broker
non-votes will have the effect of a vote against the amendment to eliminate
cumulative voting.

         THE BOARD RECOMMENDS THAT SHAREHOLDERS VOTE "FOR" THE PROPOSAL



         II.      APPROVAL OF THE PROPOSAL TO REQUIRE TIMELY NOTICE OF DIRECTOR
                  NOMINATIONS.

                  A.       GENERAL

                  The Board of Directors has been engaged in a comprehensive
review of the Company's corporate governance structure, and has recently amended
the Charter of its Nominating /Corporate Governance Committee to ensure that the
Committee has adequate time and information to evaluate all candidates for
election as directors of the Company, including those candidates nominated by
shareholders. The Company's Code of Regulations, however, does not have parallel
provisions, so that it would be possible for a shareholder to nominate at a
meeting of shareholders an individual whose qualifications to serve had not been
reviewed and considered by the Committee. Accordingly, the Board is submitting
for shareholder approval an amendment to the Company's Code of Regulations to
conform the notice requirements for the nomination of directors at a meeting of
shareholders to those included in the Charter of the Nominating/Corporate
Governance Committee, and thereby to require timely written notice of director
nominations by shareholders.

                  B.       REASONS FOR THE REQUIREMENT OF TIMELY NOTICE

                  The Board of Directors believes that approval of the proposal
to require timely written notice for the shareholder nomination of directors is
in the best interests of the Company and its shareholders. The Board believes
that every director of a publicly-held corporation should be considered on the
basis of his or her qualifications, including such information as would be
required to be included in a proxy statement filed pursuant to the proxy rules
of the Securities and Exchange Commission. The procedures of the
Nominating/Corporate Governance Committee permit an appropriate evaluation of
those and other matters relevant to the qualifications of nominees for directors
presented to that Committee, and the Board believes that the Company's Code of
Regulations should be amended to require the same information to be available
with respect to individuals nominated directly by a shareholder. The purpose of
this amendment is to afford the Board of Directors the time and opportunity
necessary to properly consider and evaluate the qualifications of any proposed
nominee and, to the extent deemed appropriate by the Board, to inform
shareholders about these qualifications and its evaluation. The Board believes
that these provisions will further the Board's objective of identifying
candidates for director who have the character, integrity, training, dedication,
experience and proven accomplishments to offer the promise of significant
contribution to the responsible and profitable conduct of the Company's
business.

         The amendment has not been proposed as a result of any specific efforts
of which the Company is aware to nominate or elect any director, to accumulate
shares or to obtain control of the Company by means of a merger, tender offer,
solicitation in opposition to management or otherwise. The amendment is being
proposed because the Board considers it advantageous to be able to consider in
advance the qualifications of any proposed nominee, as opposed to being
confronted with a surprise nomination at or shortly prior to a meeting of
shareholders. While the amendment would not give the Board of Directors any
power to approve or disapprove any



shareholder nomination, it would preclude a shareholder nomination from the
floor of a meeting of shareholders if the proper procedures were not followed.
Although the Board does not believe that the proposed amendment would have a
significant impact on any attempt by a third party to obtain control of the
Company, it is possible that the amendment might deter a third party from
conducting a solicitation of proxies to elect its own slate of directors or
otherwise attempting to obtain control of the Company or effect a change in the
Company's Board or management. The law of Ohio, the jurisdiction in which the
Company is incorporated, contains no notice provisions similar to that set forth
in the proposed amendment.

         If adopted, the proposed amendment would not apply to the 2004 Annual
Meeting of Shareholders, but would apply to subsequent meetings of shareholders.

                  C.       RECOMMENDATION

                  After considering the proposal to require timely notice
described above, the Board of Directors believes that the proposal is in the
best interests of the Company and its shareholders. The Board of Directors of
the Company recommends that each of its shareholders vote to approve the
proposal to require timely written notice for the shareholder nomination of
directors.

                  D.       TEXT OF THE PROPOSED AMENDMENT

                  The proposed amendment will be effected by adoption of a
shareholders' resolution, which, if approved, will add a new second paragraph to
Article VIII of the Company's Code of Regulations to read as follows:

                  Nominations of persons for election to the Board of Directors
         of the Company may be made at a meeting of shareholders by or at the
         direction of the Board of Directors or by any shareholder of the
         Company entitled to vote for the election of directors at the meeting
         who complies with the notice procedures set forth herein. Such
         nominations, other than those made by or at the direction of the Board
         of Directors, shall be made pursuant to timely notice in writing to the
         Secretary of the Company. To be timely, a shareholder shall provide the
         Company with written notice of the shareholder's intent to nominate the
         person (a "Notice of Intent"), either by personal delivery or by United
         States mail, postage prepaid, and received by the Company (i) with
         respect to an election to be held at an annual meeting of shareholders,
         not later than sixty (60) days in advance of the date of such meeting,
         and (ii) with respect to an election to be held at a special meeting of
         shareholders called for that purpose, not later than the close of
         business on the tenth (10th) day following the date on which notice of
         the special meeting was first mailed to the shareholders by the
         Company. The shareholder's Notice of Intent shall set forth (i) the
         name and address of the shareholder and of the person or persons to be
         nominated, (ii) a representation that the shareholder (A) is a holder
         of record of stock of the Company entitled to vote at the meeting at
         which the nomination will be made, (B) will continue to hold such stock
         through the date on which the meeting is held, and (C) intends to
         appear in person or by proxy at the meeting to nominate the person or
         persons specified in the Notice of



         Intent, (iii) a description of all arrangements or understandings
         between the shareholder and each nominee and any other person or
         persons (naming such person or persons) pursuant to which the
         nomination is to be made by the shareholder, (iv) appropriate
         biographic information and a statement as to the individual's
         qualifications, (v) such other information regarding each nominee
         proposed by such shareholder as would be required to be in a proxy
         statement filed pursuant to the proxy rules of the Securities and
         Exchange Commission had the nominee been nominated by the Board of
         Directors, and (vi) the consent of each nominee to serve as a director
         of the Company if so elected. No person shall be eligible for election
         as a director of the Company unless nominated in accordance with the
         procedures set forth herein. The Chairman of the meeting shall, if the
         facts warrant, determine and declare to the meeting that a nomination
         was not made in accordance with the procedures prescribed herein, and
         if he or she should so determine, he or she shall so declare to the
         meeting and the defective nomination shall be disregarded.

         E.       VOTE REQUIRED FOR APPROVAL OF THE PROPOSED AMENDMENT

         The proposal to amend the Company's Code of Regulations will require
the affirmative vote of at least a majority of the Company's issued and
outstanding shares of Common Stock entitled to vote at the Special Meeting.
Proxies solicited by management for which no specific direction is included will
be voted "FOR" the amendment to require timely written notice of director
nominations by shareholders. The inspectors will treat abstentions and broker
non-votes as shares that are present for purposes of determining the presence of
a quorum, but such abstentions and broker non-votes will have the effect of a
vote against the amendment to require timely written notice of director
nominations by shareholders.

         THE BOARD RECOMMENDS THAT SHAREHOLDERS VOTE "FOR" THE PROPOSAL

III.     OTHER MATTERS

         The Board of Directors knows of no other matters which may be presented
for consideration at the Special Meeting. However, if any other matters properly
come before the Special Meeting, the persons named in the enclosed proxy will
vote in their discretion on such matters.

                                       12


IV.      SHAREHOLDER PROPOSALS -- 2004 ANNUAL MEETING

         Shareholder proposals intended to be included in the Proxy Statement
and the Proxy for the 2004 Annual Meeting of Shareholders of the Company must
have been received by the Company not later than May 30, 2004, at its principal
executive offices, 2400 East Ganson Street, Jackson, Michigan 49202, Attention:
Secretary. Shareholder proposals to be presented at the 2004 Annual Meeting
which are not to be included in the Company's Proxy Statement must have been
received by the Company at this address no later than August 12, 2004. No
proposals were received by either of those dates from shareholders for
presentation at the 2004 Annual Meeting.

                                              By Order of the Board of Directors

                                              JOSEPH S. LERCZAK,
                                              Secretary

Dated: August 16, 2004.



August 16, 2004

Dear Shareholder:

         A Special Meeting of your Company will be held at 2:00 p.m., Eastern
Daylight Savings Time, on September 24, 2004 at the offices of the Company, 2400
East Ganson Street, Jackson, Michigan 49202. At this meeting, we will be
considering proposals to eliminate cumulative voting in the election of
directors, and to require timely notice of director nominations, all as more
fully described in the Proxy Statement.

         These proposals arise out of the Company's continuing review of its
corporate governance structure in response to the Sarbanes-Oxley Act of 2002 and
new rules adopted by the Securities and Exchange Commission and the New York
Stock Exchange. We have previously adopted formal charters for our various Board
committees, and provided that the Audit, Compensation and Nominating/Corporate
Governance Committees will be comprised solely of Independent Directors. We have
updated and strengthened our Corporate Governance Guidelines and our Code of
Business Conduct and Ethics. We have also separated the positions of Chairman of
the Board and Chief Executive Officer, and established a formal communications
process for all shareholders to use in communicating with the Board or
management of the Company. The proposals described in the Proxy Statement are
designed to further improve our corporate governance structure, and we hope that
you will take the time to consider them.

         We ask your support by signing, dating and returning the attached proxy
card in the postage paid envelope, or taking advantage of our telephone or
Internet voting system, as soon as possible. Your vote is important, regardless
of the number of shares that you own.

         If your shares are held in the name of a bank or brokerage firm, only
that firm can execute a proxy on your behalf. Please contact the person
responsible for your account with your voting instructions.

Very truly yours,

Bradley O. Smith                           David W. Hockenbrocht
Chairman                                   Chief Executive Officer and President



                               SPARTON CORPORATION

                          VOTE BY TELEPHONE OR INTERNET
                            QUICK * EASY * IMMEDIATE

The Company encourages you to take advantage of two cost-effective ways to vote
your shares. You may vote your proxy 24 hours a day, 7 days a week, using either
a touch-tone telephone or through the Internet. Your telephone or Internet vote
must be received by 1:00 p.m. Eastern Daylight Savings Time on Friday, September
24, 2004. Your telephone or Internet vote authorizes the proxies named on the
proxy card to vote your shares in the same manner as if you marked, signed, and
returned your proxy card.

If you hold shares in the Company's 401(k) Plan, voting instructions for such
shares (whether by telephone, Internet or mail) must be received by 11:59 p.m.
Central Daylight Savings Time on Thursday, September 23, 2004.

VOTE BY PHONE:      ON A TOUCH-TONE TELEPHONE DIAL (___) ___-____

OR

VOTE BY INTERNET:   POINT YOUR BROWSER TO THE WEB ADDRESS:
                    https://www.proxyvotenow.com/sparton

OR

VOTE BY MAIL:       Mark, sign and date your proxy card and return it in the
                    postage-paid envelope. If you are voting by telephone or the
                    Internet, please do not mail your proxy card.

                              THANK YOU FOR VOTING.



                             DETACH PROXY CARD HERE

                                 REVOCABLE PROXY

                               SPARTON CORPORATION

    THIS PROXY IS SOLICITED BY THE BOARD OF DIRECTORS OF SPARTON CORPORATION

Bradley O. Smith, David W. Hockenbrocht and Joseph S. Lerczak, and each of them,
are hereby appointed proxies of the undersigned with full power of substitution,
to represent the undersigned at the Special Meeting of the Shareholders of
SPARTON CORPORATION on September 24, 2004, at 2:00 p.m. Eastern Daylight Savings
Time, and any and all adjournments thereof, and to vote thereat as designated on
this Proxy, all the shares of said Corporation which the undersigned would be
entitled to vote if personally present.

This Proxy, when properly executed, will be voted in the manner directed herein
by the undersigned shareholder and as described in the Proxy Statement. IF NO
DIRECTION IS MADE, THIS PROXY WILL BE VOTED "FOR" THE AMENDMENT TO ELIMINATE
CUMULATIVE VOTING AS DESCRIBED IN ITEM 1, AND "FOR" THE AMENDMENT TO REQUIRE
TIMELY NOTICE FOR THE NOMINATION OF DIRECTORS AS DESCRIBED IN ITEM 2.

The Board of Directors recommends a vote "FOR" the amendment to eliminate
cumulative voting and recommends a vote "FOR" the amendment to require timely
notice of the nomination of directors.

1. Amendment to Eliminate Cumulative Voting    FOR ___ AGAINST ____ ABSTAIN ____

2. Amendment to Require Timely Notice
   for the Nomination of Directors             FOR ___ AGAINST ____ ABSTAIN ____

3. To transact such other business as may properly come before the meeting or at
   any adjournments thereof.

         Signature(s) _______________________       Dated: _____________________

         Signature(s) _______________________       Dated: _____________________

Please sign and date this Proxy exactly as your name(s) appears herein and
return in the enclosed envelope, which requires no postage. If executing on
behalf of a corporation, minor, etc., sign that name and add signature and
capacity of authorized signer.

                                    IMPORTANT

           THE PROMPT RETURN OF PROXIES WILL SAVE THE CORPORATION THE
                    EXPENSE OF FURTHER REQUESTS FOR PROXIES.

  A SELF ADDRESSED, POSTAGE PRE-PAID ENVELOPE IS ENCLOSED FOR YOUR CONVENIENCE