Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approval tc-23c-339/340; 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 6105-01-378-6604
NSN 5925-01-227-5536
NSN 5990-01-460-6390
NSN 5895-01-468-5546
NSN 6610-01-013-8922
NSN 5996-00-080-7367
NSN 6645-00-497-3495
NSN 5925-01-614-8094
NSN 5975-01-056-5036
NSN 5985-01-158-3534
NSN 6240-00-144-3107
NSN 6610-01-013-8922