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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 RnUoZd9vwfwOie4lHhmzCXsR+orkYtfAEX6XbN00JYDjr73MIf+m/dGjS/c2Hv4u
 EC/USKWDe6ju+fIc98Q0OA==

<SEC-DOCUMENT>0001140361-04-003945.txt : 20040701
<SEC-HEADER>0001140361-04-003945.hdr.sgml : 20040701
<ACCEPTANCE-DATETIME>20040701160150
ACCESSION NUMBER:		0001140361-04-003945
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040701
FILED AS OF DATE:		20040701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIED DEFENSE GROUP INC
		CENTRAL INDEX KEY:			0000003952
		STANDARD INDUSTRIAL CLASSIFICATION:	ORDNANCE & ACCESSORIES, (NO VEHICLES/GUIDED MISSILES) [3480]
		IRS NUMBER:				042281015
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8000 TOWERS CRESCENT DR
		STREET 2:		SUITE 260
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
		BUSINESS PHONE:		7038475268

	MAIL ADDRESS:	
		STREET 1:		8000 TOWERS CRESCENT DRIVE
		STREET 2:		STE 750
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIED RESEARCH CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLIED RESEARCH ASSOCIATES INC
		DATE OF NAME CHANGE:	19880601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCULLEY JAY R
		CENTRAL INDEX KEY:			0001188695

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11376
		FILM NUMBER:		04895380

	BUSINESS ADDRESS:	
		STREET 1:		C/O ALLIED RESEARCH CORP
		STREET 2:		8000 TOWERS CRESCENT DR STE 260
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
		BUSINESS PHONE:		7038475268

	MAIL ADDRESS:	
		STREET 2:		9530 LEEMAY STREET
		CITY:			VIENNA
		STATE:			VA
		ZIP:			22182
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000003952</issuerCik>
        <issuerName>ALLIED DEFENSE GROUP INC</issuerName>
        <issuerTradingSymbol>ADG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188695</rptOwnerCik>
            <rptOwnerName>SCULLEY JAY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THE ALLIED DEFENSE GROUP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>8000 TOWERS CRESCENT DRIVE, SUITE 260</rptOwnerStreet2>
            <rptOwnerCity>VIENNA</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22182</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-07-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2003</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48403</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Sculley has agreed to defer receipt of the 2,003 shares pursuant the the ADG deferred compensation plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jay R. Sculley</signatureName>
        <signatureDate>2004-07-01</signatureDate>
    </ownerSignature>
</ownershipDocument>

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