-----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,
 JSsWma9xPzSxxC5jy2VwD1SfhfhxekKw0xo5zY8goGkS1OJrNA17pAM4i0P8wMXp
 lUrkQ4RIwKqO2iKoLuGZCw==

<SEC-DOCUMENT>0001181431-03-015077.txt : 20030723
<SEC-HEADER>0001181431-03-015077.hdr.sgml : 20030723
<ACCEPTANCE-DATETIME>20030723135908
ACCESSION NUMBER:		0001181431-03-015077
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030721
FILED AS OF DATE:		20030723

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STOUT JON M
		CENTRAL INDEX KEY:			0001251156

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31613
		FILM NUMBER:		03797977

	MAIL ADDRESS:	
		STREET 1:		5904 RICHMOND HIGHWAY 3-300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22303

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ANALEX CORP
		CENTRAL INDEX KEY:			0000044800
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				112120726
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		5904 RICHMOND HIGHWAY
		STREET 2:		SUITE 300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22303
		BUSINESS PHONE:		703-329-9400

	MAIL ADDRESS:	
		STREET 1:		5904 RICHMOND HIGHWAY
		STREET 2:		SUITE 300
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22303

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HADRON INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIORAD INC
		DATE OF NAME CHANGE:	19710304
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd13811.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-07-21</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000044800</issuerCik>
        <issuerName>ANALEX CORP</issuerName>
        <issuerTradingSymbol>NLX</issuerTradingSymbol></issuer>
<reportingOwner>
<reportingOwnerId>
            <rptOwnerCik>0001251156</rptOwnerCik>
            <rptOwnerName>STOUT JON M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Chairman</officerTitle>
<otherText></otherText></reportingOwnerRelationship></reportingOwner>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock, $.02 par value</value></securityTitle>
<transactionDate>
<value>2003-07-21</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionTimeliness>
<value></value></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>800</value></transactionShares>
<transactionValue>
<value>2.8775</value></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>101030</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<nonDerivativeSecurity>
<securityTitle>
<value>Common Stock, $.02 par value</value></securityTitle>
<transactionDate>
<value>2003-07-22</value></transactionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
<footnoteId id="F1"/></transactionCoding>
<transactionTimeliness>
<value></value></transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>800</value></transactionShares>
<transactionValue>
<value>2.90</value></transactionValue>
<transactionAcquiredDisposedCode>
<value>D</value></transactionAcquiredDisposedCode></transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>100230</value></sharesOwnedFollowingTransaction></postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value></directOrIndirectOwnership>
<natureOfOwnership>
<value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity>
<footnotes>
<footnote id="F1">This sale was effected pursuant to a Rule 10b5-1 Sales Plan adopted by the reporting person.</footnote></footnotes>
<ownerSignature>
<signatureName>Shannon A.G. Knotts Attorney-in-Fact for Jon Stout</signatureName>
<signatureDate>2003-07-23</signatureDate></ownerSignature></ownershipDocument>


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