-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 F3YrHRDFnsHDmID/mfQTZzq2XmQ/bFPCGUZ5ZVLkYiBVYt7632EGVGuL0lBPR1aT
 wF+4jUmkOLwudoFwV5d44w==

<SEC-DOCUMENT>0000024741-03-000076.txt : 20030625
<SEC-HEADER>0000024741-03-000076.hdr.sgml : 20030625
<ACCEPTANCE-DATETIME>20030625140807
ACCESSION NUMBER:		0000024741-03-000076
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:			AIELLO LARRY
		CENTRAL INDEX KEY:			0001206146

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03247
		FILM NUMBER:		03756407

	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>0001206146</rptOwnerCik>
            <rptOwnerName>AIELLO LARRY</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>Pres &amp; CEO - Corning Cable</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>131.64</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>131.64</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>9753.68</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 other termination of service.</footnote>
        <footnote id="F2">Amendment corrects total aggregate number beneficially owned following the 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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