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 5935-01-296-3538
NSN 5895-01-328-9353
NSN 6685-00-476-4186
NSN 5910-00-515-3586
NSN 5999-01-118-0764
NSN 5835-01-150-6084
NSN 5985-01-432-0714
NSN 5915-00-913-3084
NSN 6240-01-515-4680
NSN 6685-01-439-8027
NSN 5950-00-236-8066
NSN 5999-01-291-2064