Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approved tc-23c-488/489; 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 6610-01-200-6861
NSN 5920-00-795-6665
NSN 6110-00-269-2696
NSN 5999-01-437-1252
NSN 6220-01-324-1666
NSN 5925-01-158-0762
NSN 5935-01-160-2058
NSN 6620-01-478-5500
NSN 5950-00-224-8401
NSN 5965-01-124-6274
NSN 6145-01-552-7133
NSN 5950-01-203-4733