<SEC-DOCUMENT>0001492520-16-000114.txt : 20160815
<SEC-HEADER>0001492520-16-000114.hdr.sgml : 20160815
<ACCEPTANCE-DATETIME>20160815171337
ACCESSION NUMBER:		0001492520-16-000114
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160811
FILED AS OF DATE:		20160815
DATE AS OF CHANGE:		20160815

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BWX Technologies, Inc.
		CENTRAL INDEX KEY:			0001486957
		STANDARD INDUSTRIAL CLASSIFICATION:	ENGINES & TURBINES [3510]
		IRS NUMBER:				800558025
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 MAIN STREET
		STREET 2:		4TH FLOOR
		CITY:			LYNCHBURG
		STATE:			VA
		ZIP:			24504
		BUSINESS PHONE:		980-365-4300

	MAIL ADDRESS:	
		STREET 1:		800 MAIN STREET
		STREET 2:		4TH FLOOR
		CITY:			LYNCHBURG
		STATE:			VA
		ZIP:			24504

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Babcock & Wilcox Co
		DATE OF NAME CHANGE:	20100311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Loving Richard W
		CENTRAL INDEX KEY:			0001681053

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34658
		FILM NUMBER:		161833875

	MAIL ADDRESS:	
		STREET 1:		800 MAIN STREET
		CITY:			LYNCHBURG
		STATE:			VA
		ZIP:			24504
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2016-08-11</periodOfReport>

    <dateOfOriginalSubmission>2016-08-15</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001486957</issuerCik>
        <issuerName>BWX Technologies, Inc.</issuerName>
        <issuerTradingSymbol>BWXT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001681053</rptOwnerCik>
            <rptOwnerName>Loving Richard W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>4TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LYNCHBURG</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>24504</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP, Human Resources</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-08-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1857</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-08-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1857</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1857</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This line item is not new or revised, but is being reported again solely to gain access to the electronic filing system for filing an amendment.  The purpose of this amendment is to delete the erroneous reporting of performance restricted stock units on the Form 4 filed on August 15, 2016 before the satisfaction of the underlying performance criteria.</footnote>
        <footnote id="F2">Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc.  Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.</footnote>
        <footnote id="F3">RSUs vest in three equal annual installments beginning August 11, 2017.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Richard W. Loving, by Suzanne Warfield, attorney-in-fact</signatureName>
        <signatureDate>2016-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
