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 6650-01-234-1896
NSN 5835-00-264-0946
NSN 5996-00-151-4462
NSN 5960-00-170-6916
NSN 5930-01-530-2283
NSN 5925-01-423-0073
NSN 6220-01-331-7111
NSN 5895-00-086-5343
NSN 6645-00-607-8413
NSN 6610-01-621-4621
NSN 5920-01-658-5804
NSN 6610-00-751-7916