Blue, 5-strap, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
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 6650-01-139-9534
NSN 6150-00-117-7867
NSN 5945-01-406-3200
NSN 5945-00-222-6712
NSN 5945-00-597-5722
NSN 6105-01-223-4009
NSN 6135-01-196-7399
NSN 5950-01-320-3930
NSN 6685-01-381-0759
NSN 6610-01-518-3044
NSN 6650-01-422-1037
NSN 5925-01-563-3556