-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Jr+2LJyPPO7s+2bqi5S/pfeIvIZFpyhjR/64VBP0QAdhf5kBYjmTNc9xpls2bKyG
 PD60Xj8w6Ltlg+6Txl9gnA==

<SEC-DOCUMENT>0001042167-03-000091.txt : 20030821
<SEC-HEADER>0001042167-03-000091.hdr.sgml : 20030821
<ACCEPTANCE-DATETIME>20030821161246
ACCESSION NUMBER:		0001042167-03-000091
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030819
FILED AS OF DATE:		20030821

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PFAEHLER KRIS R
		CENTRAL INDEX KEY:			0001259259

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25150
		FILM NUMBER:		03860374

	MAIL ADDRESS:	
		STREET 1:		STRATTEC SECURITY CORP
		STREET 2:		3333 WEST GOOD HOPE RD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STRATTEC SECURITY CORP
		CENTRAL INDEX KEY:			0000933034
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				391804239
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0627

	BUSINESS ADDRESS:	
		STREET 1:		3333 WEST GOOD HOPE ROAD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209
		BUSINESS PHONE:		4142473333

	MAIL ADDRESS:	
		STREET 1:		3333 W GOOD HOPE ROAD
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53209
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-08-19</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000933034</issuerCik>
        <issuerName>STRATTEC SECURITY CORP</issuerName>
        <issuerTradingSymbol>STRT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001259259</rptOwnerCik>
            <rptOwnerName>PFAEHLER KRIS R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>STRATTEC SECURITY CORP</rptOwnerStreet1>
            <rptOwnerStreet2>3333 WEST GOOD HOPE RD</rptOwnerStreet2>
            <rptOwnerCity>MILWAUKEE</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53209</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice Pres-Marketing and Sales</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>

        <derivativeTransaction>
            <securityTitle>
                <value>Common Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>61.68</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-08-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-08-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-08-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5400</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>



    <ownerSignature>
        <signatureName>James M. Bedore, Attorney-in-fact</signatureName>
        <signatureDate>2003-08-21</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----