Sole source required by statute 6.302; used on american optical models s/r4500, s/r5500, s/r6500, s/r7700, s/r4000, s/r5000, s/r6000 and s/r7000 respirators
A self-contained unit designed for placement in the holder of a respirator or air line mask. It may consist of a filtering element of fibrous material such as felt, paper, or the like secured between two end plates; or it may be a cylindrical container of light weight construction having flat or slightly rounded ends which may be either perforated or of wire mesh, filled with charcoal or chemicals which absorb contaminants from the air passing through it. See also filter, respirator, air filtering.
NSN 4140-01-289-0310
NSN 5990-00-167-2692
NSN 6320-01-576-6310
NSN 5855-01-334-6594
NSN 5975-01-288-4923
NSN 5855-01-626-9923
NSN 2925-00-210-3873
NSN 5975-01-396-0052
NSN 5990-01-612-5323
NSN 6240-00-156-1607
NSN 6150-01-630-2544
NSN 6135-01-436-7733