<SEC-DOCUMENT>0001127602-20-011680.txt : 20200320
<SEC-HEADER>0001127602-20-011680.hdr.sgml : 20200320
<ACCEPTANCE-DATETIME>20200320190600
ACCESSION NUMBER:		0001127602-20-011680
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200320
FILED AS OF DATE:		20200320
DATE AS OF CHANGE:		20200320

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CHANDY RUBY R
		CENTRAL INDEX KEY:			0001358419

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12981
		FILM NUMBER:		20733269

	MAIL ADDRESS:	
		STREET 1:		630 DUNDEE ROAD
		STREET 2:		SUITE 400
		CITY:			NORTHBROOK
		STATE:			IL
		ZIP:			60062

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMETEK INC/
		CENTRAL INDEX KEY:			0001037868
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTORS & GENERATORS [3621]
		IRS NUMBER:				141682544
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1100 CASSATT ROAD
		CITY:			BERWYN
		STATE:			PA
		ZIP:			19312
		BUSINESS PHONE:		610-647-2121

	MAIL ADDRESS:	
		STREET 1:		1100 CASSATT ROAD
		CITY:			BERWYN
		STATE:			PA
		ZIP:			19312

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMETEK AEROSPACE PRODUCTS INC
		DATE OF NAME CHANGE:	19970415
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2020-03-20</periodOfReport>

    <dateOfOriginalSubmission>2020-03-20</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001037868</issuerCik>
        <issuerName>AMETEK INC/</issuerName>
        <issuerTradingSymbol>AME</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001358419</rptOwnerCik>
            <rptOwnerName>CHANDY RUBY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1808 DELANCEY STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-03-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2130</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.37</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15674</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Constitutes restricted stock issued under the AMETEK, Inc. 2011 Omnibus Incentive Compensation Plan.</footnote>
        <footnote id="F2">On March 20, 2020, due to a clerical error, the reporting person filed a Form 4 with an incorrect price. This Form 4 amends the originally filed Form 4 to provide the correct price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lynn Carino, attorney-in-fact for Ms. Chandy</signatureName>
        <signatureDate>2020-03-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
