    <SEC-DOCUMENT>0001193125-18-109301-index.html : 20180406
    <SEC-HEADER>0001193125-18-109301.hdr.sgml : 20180406
    <ACCEPTANCE-DATETIME>20180406083104
    ACCESSION NUMBER:		0001193125-18-109301
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20180515
    FILED AS OF DATE:		20180406
    DATE AS OF CHANGE:		20180406
    EFFECTIVENESS DATE:		20180406

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MSA Safety Inc
    		CENTRAL INDEX KEY:			0000066570
    		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
    		IRS NUMBER:				464914539
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15579
    		FILM NUMBER:		18741952

    	BUSINESS ADDRESS:
    		STREET 1:		1000 CRANBERRY WOODS DRIVE
    		CITY:			CRANBERRY TOWNSHIP
    		STATE:			PA
    		ZIP:			16066
    		BUSINESS PHONE:		724-776-8600

    	MAIL ADDRESS:
    		STREET 1:		1000 CRANBERRY WOODS DRIVE
    		CITY:			CRANBERRY TOWNSHIP
    		STATE:			PA
    		ZIP:			16066

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MINE SAFETY APPLIANCES CO
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d501486ddef14a.htm
    <DESCRIPTION>NOTICE & PROXY STATEMENT
    <TEXT>
    Document 1 - file: d501486ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g501486alvaro.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g501486alvaro.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g501486bruggeworth.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g501486bruggeworth.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g501486diane.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g501486diane.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g501486g01u22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g501486g01u22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g501486g03c89.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g501486g03c89.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g501486g09p46.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g501486g09p46.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g501486g15o93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g501486g15o93.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g501486g19o18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g501486g19o18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g501486g33a21.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g501486g33a21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g501486g37w59.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g501486g37w59.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g501486g49m78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g501486g49m78.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g501486g53c12.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g501486g53c12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g501486g75i06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g501486g75i06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g501486g80b32.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g501486g80b32.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g501486g80p13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g501486g80p13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g501486g86r85.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g501486g86r85.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g501486roberts.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g501486roberts.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g501486ryan.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g501486ryan.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g501486scan.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g501486scan.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g501486shaw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g501486shaw.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>