MIL-B-51170F (NOTICE-1), MILITARY SPECIFICATION: BAG, WATERPROOF, CHEMICAL--BIOLOGICAL MASK, M1 (21-MAY-1996) [S/S BY MIL-DTL-51170G]
MIL-B-51170F (NOTICE-1), MILITARY SPECIFICATION: BAG, WATERPROOF, CHEMICAL--BIOLOGICAL MASK, M1 (21-MAY-1996) [S/S BY MIL-DTL-51170G]., MIL–B –51170F(EA) is inactive for new design and is no longer used except for replacement
purposes.