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 6130-01-419-6723
NSN 5985-01-607-5859
NSN 5999-01-287-9782
NSN 5910-01-382-1062
NSN 5905-00-013-7598
NSN 5975-00-868-4456
NSN 2925-01-013-0413
NSN 6220-00-149-0977
NSN 4140-01-017-2184
NSN 5905-01-356-4098
NSN 5920-00-584-4592
NSN 5925-01-493-9106