<SEC-DOCUMENT>0000066570-20-000021-index.html : 20200529
<SEC-HEADER>0000066570-20-000021.hdr.sgml : 20200529
<ACCEPTANCE-DATETIME>20200529132518
ACCESSION NUMBER:		0000066570-20-000021
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		3
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20191231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20191231
</ITEM>
</RULE>
FILED AS OF DATE:		20200529
DATE AS OF CHANGE:		20200529

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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15579
		FILM NUMBER:		20926074

	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>SD
<SEQUENCE>1
<FILENAME>a2019formsd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: a2019formsd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>a2019formsdexhibit-101.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: a2019formsdexhibit-101.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>msaa24.jpg
<DESCRIPTION>MSA LOGO
<TEXT>
Document 3 - file: msaa24.jpg

</DOCUMENT>
</SEC-DOCUMENT>