    <SEC-DOCUMENT>0001486957-22-000011-index.html : 20220316
    <SEC-HEADER>0001486957-22-000011.hdr.sgml : 20220316
    <ACCEPTANCE-DATETIME>20220316080929
    ACCESSION NUMBER:		0001486957-22-000011
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220316
    DATE AS OF CHANGE:		20220316

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34658
    		FILM NUMBER:		22743351

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2022defa14aproxydefinitiv.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2022defa14aproxydefinitiv.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>bwxtechnologiesinc_vsmvxna.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: bwxtechnologiesinc_vsmvxna.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>bwxtechnologiesinc_vsmvxnaa.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: bwxtechnologiesinc_vsmvxnaa.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>