-----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,
 KIi9Clh/Ddz6f48p09bRU1thVwOVoqAakwZpe/fs6jSIoO2IGbfxYZv0bMx96FlL
 kBMqT5mveWDo47pJpih3Jg==

<SEC-DOCUMENT>0000024741-03-000081.txt : 20030625
<SEC-HEADER>0000024741-03-000081.hdr.sgml : 20030625
<ACCEPTANCE-DATETIME>20030625151957
ACCESSION NUMBER:		0000024741-03-000081
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030617
FILED AS OF DATE:		20030625

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FLAWS JAMES B
		CENTRAL INDEX KEY:			0001206152

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03247
		FILM NUMBER:		03756605

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLZ
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CORNING INC /NY
		CENTRAL INDEX KEY:			0000024741
		STANDARD INDUSTRIAL CLASSIFICATION:	DRAWING AND INSULATING NONFERROUS WIRE [3357]
		IRS NUMBER:				160393470
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLAZA
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831
		BUSINESS PHONE:		6079749000

	MAIL ADDRESS:	
		STREET 1:		ONE RIVERFRONT PLAZA
		CITY:			CORNING
		STATE:			NY
		ZIP:			14831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING GLASS WORKS
		DATE OF NAME CHANGE:	19890512
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4/A</documentType>

    <periodOfReport>2003-06-17</periodOfReport>

    <dateOfOriginalSubmission>2003-06-19</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000024741</issuerCik>
        <issuerName>CORNING INC /NY</issuerName>
        <issuerTradingSymbol>GLW</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001206152</rptOwnerCik>
            <rptOwnerName>FLAWS JAMES B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice Chairman and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Phantom Stock Units</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>0</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-06-17</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>J</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
            <footnoteId id="F1"/>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>261.34</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>1988-08-08</value>
            <footnoteId id="F1"/>
        </exerciseDate>
        <expirationDate>
            <value>1988-08-08</value>
            <footnoteId id="F1"/>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>261.34</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>16138.75</value>
                <footnoteId id="F2"/>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">The reported Phantom Stock Units are acquired on a monthly basis pursuant to the terms of Corning's Supplemental Investment Plan (a 401(K) Excess Benefit Plan) and will be settled for cash on or after the reporting person's retirement or termination of service.</footnote>
        <footnote id="F2">Amendment corrects total aggregate number beneficially owned following reported transaction (item 9).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Denise A. Hauselt, by Power of Attorney</signatureName>
        <signatureDate>2003-06-25</signatureDate>
    </ownerSignature>

</ownershipDocument>

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