-----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,
 Vw+X/8bc4IihyE59VC259l3H0BeL6aWdRSNuWNl2UyUjHlFxiDoiCpKA5tuYDev0
 cBr2K73VxIdt0UFyzWmL+A==

<SEC-DOCUMENT>0001044590-04-000029.txt : 20040510
<SEC-HEADER>0001044590-04-000029.hdr.sgml : 20040510
<ACCEPTANCE-DATETIME>20040510185834
ACCESSION NUMBER:		0001044590-04-000029
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040506
FILED AS OF DATE:		20040510

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COHEN KENNETH L
		CENTRAL INDEX KEY:			0001276089

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13279
		FILM NUMBER:		04794661

	MAIL ADDRESS:	
		STREET 1:		C/O UNOVA INC
		STREET 2:		6001 36TH AVE W
		CITY:			EVERETT
		STATE:			WA
		ZIP:			98203-1264

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNOVA INC
		CENTRAL INDEX KEY:			0001044590
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				954647021
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6001 36TH AVENUE WEST
		CITY:			EVERETT
		STATE:			WA
		ZIP:			98203-1264
		BUSINESS PHONE:		425-265-2400

	MAIL ADDRESS:	
		STREET 1:		6001 36TH AVENUE WEST
		CITY:			EVERETT
		STATE:			WA
		ZIP:			98203-1264
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001044590</issuerCik>
        <issuerName>UNOVA INC</issuerName>
        <issuerTradingSymbol>UNA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001276089</rptOwnerCik>
            <rptOwnerName>COHEN KENNETH L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O UNOVA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>6001 36TH AVENUE WEST</rptOwnerStreet2>
            <rptOwnerCity>EVERETT</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98203-1264</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Incentive Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.225</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-05-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-05-06</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2014-05-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Exercisable in five equal installments of 2,000 shares each on May 6, 2005, May 6, 2006, May 6, 2007, May 6, 2008 and May 6, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Cathy D. Younger  For: Kenneth L. Cohen</signatureName>
        <signatureDate>2004-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

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