-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 HCypQSG0xfuz2ix6tOG5wx221nFLy3jjg+px6EHsE1XS04YAV++QwNg8Ca6poSlg
 A2CagOTnvefYxTE915GNfw==

<SEC-DOCUMENT>0001185064-03-000005.txt : 20030513
<SEC-HEADER>0001185064-03-000005.hdr.sgml : 20030513
<ACCEPTANCE-DATETIME>20030512175427
ACCESSION NUMBER:		0001185064-03-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030509
FILED AS OF DATE:		20030513

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CROWN JAMES S
		CENTRAL INDEX KEY:			0001185064

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03671
		FILM NUMBER:		03693652

	MAIL ADDRESS:	
		STREET 1:		222 N LASALLE STREET
		STREET 2:		STE 2000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GENERAL DYNAMICS CORP
		CENTRAL INDEX KEY:			0000040533
		STANDARD INDUSTRIAL CLASSIFICATION:	SHIP & BOAT BUILDING & REPAIRING [3730]
		IRS NUMBER:				131673581
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3190 FAIRVIEW PARK DRIVE
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042
		BUSINESS PHONE:		7038763000

	MAIL ADDRESS:	
		STREET 1:		3190 FAIRVIEW PARK DR
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-05-09</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000040533</issuerCik>
        <issuerName>GENERAL DYNAMICS CORP</issuerName>
        <issuerTradingSymbol>GD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185064</rptOwnerCik>
            <rptOwnerName>CROWN JAMES S</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>

    <derivativeSecurity>
        <securityTitle>
            <value>Phantom Stock Units</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>65.54</value>
            <footnoteId id="F1"/>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-05-09</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>5.45</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
                <footnoteId id="F3"/>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>1999-09-09</value>
            <footnoteId id="F2"/>
        </exerciseDate>
        <expirationDate>
            <value>1999-09-09</value>
            <footnoteId id="F2"/>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>5.45</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>1112.11</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Convertible on a 1-for-1 basis for cash equal to the average fair market value of the Common Stock as of the date of conversion which, on the transaction date, was $65.54.</footnote>
        <footnote id="F2">Payable at Reporting Person's retirement</footnote>
        <footnote id="F3">Acquired pursuant to General Dynamics Corporation's director compensation plan</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>James S. Crown</signatureName>
        <signatureDate>2003-05-12</signatureDate>
    </ownerSignature>

</ownershipDocument>

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