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 5965-01-416-9564
NSN 2925-01-400-2286
NSN 5975-00-503-4697
NSN 5895-00-140-7846
NSN 6240-01-539-8227
NSN 5985-01-187-3389
NSN 5998-00-146-1050
NSN 5935-01-630-1668
NSN 5910-01-248-4933
NSN 6150-01-450-8313
NSN 6610-01-607-4525
NSN 5965-01-364-1232