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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 G1+LGkaBXYDlyckX0fqbu6nIlzN+gsnnDQS39m17DxJo4pikMVn95H0/vPRm0ob+
 O+u6GD7jUxQby/o3kQx15A==

<SEC-DOCUMENT>0001005150-04-001187.txt : 20040518
<SEC-HEADER>0001005150-04-001187.hdr.sgml : 20040518
<ACCEPTANCE-DATETIME>20040518172823
ACCESSION NUMBER:		0001005150-04-001187
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040510
FILED AS OF DATE:		20040518

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JOHNSON LEE
		CENTRAL INDEX KEY:			0001270994

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19394
		FILM NUMBER:		04816961

	BUSINESS ADDRESS:	
		STREET 1:		C/O GTSI CORP
		STREET 2:		3901 STONECROFT BLVD
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151
		BUSINESS PHONE:		7035022000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GTSI CORP
		CENTRAL INDEX KEY:			0000850483
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-COMPUTER & PERIPHERAL EQUIPMENT & SOFTWARE [5045]
		IRS NUMBER:				541248422
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3901 STONECROFT BLVD
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151-0808
		BUSINESS PHONE:		703-502-2000

	MAIL ADDRESS:	
		STREET 1:		3901 STONECROFT BLVD
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151-1010
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>e4005lj_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000850483</issuerCik>
        <issuerName>GTSI CORP</issuerName>
        <issuerTradingSymbol>GTSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001270994</rptOwnerCik>
            <rptOwnerName>JOHNSON LEE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>415 WALL'S WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OSPREY</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>34229</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.15</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-05-10</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-05-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Option vests at 833 shares per month, at end of each month, beginning May 31, 2004 and ending on April 30, 2005, with remainder (4 shares) vesting in the last of the 12 months.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Lee Johnson</signatureName>
        <signatureDate>2004-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>

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