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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,
 SWNrH5FmodpvG4IW21+6czDzq6ERRDuw2jJto8wlr8AhGBL6x0dvJhqKhQlguW7C
 /xcFzvyjVF0Igxz5tjoJkA==

<SEC-DOCUMENT>0001209191-04-048574.txt : 20041015
<SEC-HEADER>0001209191-04-048574.hdr.sgml : 20041015
<ACCEPTANCE-DATETIME>20041015164337
ACCESSION NUMBER:		0001209191-04-048574
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040831
FILED AS OF DATE:		20041015
DATE AS OF CHANGE:		20041015

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Barnes James P
		CENTRAL INDEX KEY:			0001306034

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10078
		FILM NUMBER:		041081442

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		952-443-2500

	MAIL ADDRESS:	
		STREET 1:		PO BOX 5000
		STREET 2:		1495 STEIGER LAKE LANE
		CITY:			VICTORIA
		STATE:			MN
		ZIP:			55386

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEI INC
		CENTRAL INDEX KEY:			0000351298
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				410944876
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		1495 STEIGER LAKE LN
		STREET 2:		P O BOX 5000
		CITY:			VICTORIA
		STATE:			MN
		ZIP:			55386
		BUSINESS PHONE:		9524432500

	MAIL ADDRESS:	
		STREET 1:		P O BOX 5000
		STREET 2:		1495 STEIGER LAKE LANE
		CITY:			VICTORIA
		STATE:			MN
		ZIP:			55386
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>doc5.xml
<DESCRIPTION>FORM 5 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2004-08-31</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000351298</issuerCik>
        <issuerName>HEI INC</issuerName>
        <issuerTradingSymbol>HEII</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001306034</rptOwnerCik>
            <rptOwnerName>Barnes James P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 5000</rptOwnerStreet1>
            <rptOwnerStreet2>1495 STEIGER LAKE LANE</rptOwnerStreet2>
            <rptOwnerCity>VICTORIA</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55386</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Information Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>No holdings to report.</remarks>

    <ownerSignature>
        <signatureName>/s/ Douglas J. Nesbit - Attorney in Fact</signatureName>
        <signatureDate>2004-10-15</signatureDate>
    </ownerSignature>
</ownershipDocument>

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