Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approval no. Tc-23c-343/344; 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 6645-01-380-6111
NSN 5895-01-396-8864
NSN 5965-00-763-5538
NSN 6150-01-112-2299
NSN 5945-00-646-2128
NSN 5950-01-350-3702
NSN 5905-01-415-2474
NSN 5895-01-330-8594
NSN 6610-00-575-7933
NSN 5920-01-018-4776
NSN 5855-00-089-3974
NSN 5998-00-533-6396