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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 zTou5mhBReKwbuDqJLFwjA==

<SEC-DOCUMENT>0001230018-03-000010.txt : 20030514
<SEC-HEADER>0001230018-03-000010.hdr.sgml : 20030514
<ACCEPTANCE-DATETIME>20030514160810
ACCESSION NUMBER:		0001230018-03-000010
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030331
FILED AS OF DATE:		20030514

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COPE JAN NAYLOR
		CENTRAL INDEX KEY:			0001207262

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07872
		FILM NUMBER:		03699236

	MAIL ADDRESS:	
		STREET 1:		3315 MAUD STREET NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20015

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TRANSTECHNOLOGY CORP
		CENTRAL INDEX KEY:			0000099359
		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
		IRS NUMBER:				954062211
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		150 ALLEN RD
		CITY:			LIBERTY CORNER
		STATE:			NJ
		ZIP:			07938
		BUSINESS PHONE:		9089031600

	MAIL ADDRESS:	
		STREET 1:		150 ALLEN RD
		CITY:			LIBERTY CORNER
		STATE:			NJ
		ZIP:			07938

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SPACE ORDNANCE SYSTEMS INC
		DATE OF NAME CHANGE:	19740717
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>5</documentType>

    <periodOfReport>2003-03-31</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000099359</issuerCik>
        <issuerName>TRANSTECHNOLOGY CORP</issuerName>
        <issuerTradingSymbol>TT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001207262</rptOwnerCik>
            <rptOwnerName>COPE JAN NAYLOR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2002-07-18</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>5</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
            <footnoteId id="F1"/>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>1131</value>
            </transactionShares>
            <transactionValue>
                <value>10.35</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>3883</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Award of restricted stock pursuant to Issuer's Amended and Restated 1992 Long Term Incentive Plan exempt under Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jan Naylor Cope</signatureName>
        <signatureDate>2003-05-06</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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