-----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,
 KtBo5qZPA3DK8t4n9U5bb+O84hBrpkt/Ije7/c3ESwc9wOFA1qTTn+eAVgxt7r68
 5HSSOGI9Q4XTJ/IdZRUNZw==

<SEC-DOCUMENT>0001140361-05-001547.txt : 20050223
<SEC-HEADER>0001140361-05-001547.hdr.sgml : 20050223
<ACCEPTANCE-DATETIME>20050223133152
ACCESSION NUMBER:		0001140361-05-001547
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050222
FILED AS OF DATE:		20050223
DATE AS OF CHANGE:		20050223

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEW BRUNSWICK SCIENTIFIC CO INC
		CENTRAL INDEX KEY:			0000071241
		STANDARD INDUSTRIAL CLASSIFICATION:	LABORATORY APPARATUS & FURNITURE [3821]
		IRS NUMBER:				221630072
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		44 TALMADGE RD
		STREET 2:		PO BOX 4005
		CITY:			EDISON
		STATE:			NJ
		ZIP:			08818-4005
		BUSINESS PHONE:		9082871200

	MAIL ADDRESS:	
		STREET 1:		44 TALMADGE ROAD
		STREET 2:		PO BOX 4005
		CITY:			EDISON
		STATE:			NJ
		ZIP:			08818-4005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			IRWIN DOUGLAS
		CENTRAL INDEX KEY:			0001218098

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06994
		FILM NUMBER:		05633682

	BUSINESS ADDRESS:	
		STREET 1:		NEW BRUNSWICK SCIENTIFIC CO., INC.
		STREET 2:		44 TALMADGE RD PO BOX 4005
		CITY:			EDISON
		STATE:			NJ
		ZIP:			08818-4005
		BUSINESS PHONE:		732-287-1200

	MAIL ADDRESS:	
		STREET 1:		12 ORIOLE RD
		CITY:			MIDDLETOWN
		STATE:			NJ
		ZIP:			07748
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-02-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000071241</issuerCik>
        <issuerName>NEW BRUNSWICK SCIENTIFIC CO INC</issuerName>
        <issuerTradingSymbol>NBSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001218098</rptOwnerCik>
            <rptOwnerName>IRWIN DOUGLAS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12 ORIOLE RD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIDDLETOWN</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07748</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>CORPORATE CONTROLLER</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>NQ COMMON STOCK OPTIONS</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.14</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-22</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.14</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-02-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-02-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25867</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/S/ DOUGLAS IRWIN</signatureName>
        <signatureDate>2005-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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