-----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,
 A5p/8cng0AKyMb5wiQH037kuFTtaQXeroGJgJlVfVp85IqFh0HbWHIbja1nsQNgc
 KRIgKLEQ+Xi+rPEWky/UXQ==

<SEC-DOCUMENT>0000067887-04-000026.txt : 20040526
<SEC-HEADER>0000067887-04-000026.hdr.sgml : 20040526
<ACCEPTANCE-DATETIME>20040526155047
ACCESSION NUMBER:		0000067887-04-000026
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040526
FILED AS OF DATE:		20040526

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOOG INC
		CENTRAL INDEX KEY:			0000067887
		STANDARD INDUSTRIAL CLASSIFICATION:	MISC INDUSTRIAL & COMMERCIAL MACHINERY & EQUIPMENT [3590]
		IRS NUMBER:				160757636
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0927

	BUSINESS ADDRESS:	
		STREET 1:		PLANT 24
		CITY:			EAST AURORA
		STATE:			NY
		ZIP:			14052-0018
		BUSINESS PHONE:		7166522000

	MAIL ADDRESS:	
		STREET 1:		PLANT 24
		CITY:			EAST AURORA
		STATE:			NY
		ZIP:			14052

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAYSER KRAIG H
		CENTRAL INDEX KEY:			0001254141

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05129
		FILM NUMBER:		04832471

	BUSINESS ADDRESS:	
		STREET 1:		C/O SENECA FOODS CORP
		STREET 2:		150 WEST FIRST STREET PO BOX 388
		CITY:			NEW RICHMOND
		STATE:			WI
		ZIP:			54017
		BUSINESS PHONE:		3159268120

	MAIL ADDRESS:	
		STREET 1:		3736 SOUTH MAIN STREET
		CITY:			MARION
		STATE:			NY
		ZIP:			14505
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000067887</issuerCik>
        <issuerName>MOOG INC</issuerName>
        <issuerTradingSymbol>MOGA/MOGB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001254141</rptOwnerCik>
            <rptOwnerName>KAYSER KRAIG H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3736 SOUTH MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MARION</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14505</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </securityTitle>
            <transactionDate>
                <value>2004-05-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>125775</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>36.4</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Seneca Foods Corporation</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Owned by Seneca Foods Corporation, a publicly held company of which Mr. Kayser is an officer, director and shareholder.</footnote>
        <footnote id="F2">Mr. Kayser disclaims beneficial interest in these shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Timothy P. Balkin</signatureName>
        <signatureDate>2004-05-26</signatureDate>
    </ownerSignature>
</ownershipDocument>

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