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 5910-01-612-7198
NSN 5965-01-142-8044
NSN 6610-01-167-6617
NSN 6645-01-391-6492
NSN 2925-00-720-3948
NSN 7035-01-173-5503
NSN 6610-01-223-9655
NSN 5920-00-140-8912
NSN 6145-01-211-7577
NSN 4140-00-051-3296
NSN 5835-01-373-3498
NSN 4140-01-542-8516