The portion of a mask, air line; mask, chemical-biological; mask, gas; or other breathing equipment mask that partially or completely encloses the user's face.
NSN 5998-01-364-9910
NSN 6320-00-646-3311
NSN 4140-01-091-9828
NSN 5965-00-653-4782
NSN 7035-01-652-5482
NSN 5905-00-279-0716
NSN 7035-01-473-0517
NSN 5950-00-027-5690
NSN 6320-00-174-1362
NSN 6685-00-889-5103
NSN 6610-00-553-5103
NSN 6150-00-295-5714