Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approvel no. Tc-23c-329/330; sole source required by statute 6.302
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 5930-01-551-6509
NSN 5895-00-474-6336
NSN 5910-01-436-1061
NSN 5990-01-486-2556
NSN 6650-01-230-5155
NSN 4140-01-045-4112
NSN 5998-00-896-2980
NSN 2925-01-084-1240
NSN 6110-01-411-6660
NSN 6150-00-153-0298
NSN 5945-01-100-8479
NSN 7035-00-861-7913