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 6220-01-051-6993
NSN 5895-01-167-6236
NSN 5915-00-254-3436
NSN 6220-00-548-1999
NSN 6240-01-453-3199
NSN 6135-01-495-0933
NSN 5965-01-210-7784
NSN 5920-00-818-4186
NSN 5910-01-076-2794
NSN 6620-01-472-6461
NSN 5996-01-471-1676
NSN 5965-01-012-1065