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 5945-01-415-6049
NSN 5930-01-558-9006
NSN 6645-00-153-3834
NSN 5965-01-578-7378
NSN 5855-01-359-8592
NSN 4140-01-023-1537
NSN 5855-01-538-3743
NSN 5945-01-633-1193
NSN 5985-01-269-1072
NSN 6320-01-540-4885
NSN 5999-00-230-5083
NSN 6145-00-833-7753