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 6650-01-375-0507
NSN 5945-01-225-8298
NSN 6610-01-387-7517
NSN 6610-01-340-0409
NSN 5996-01-502-7186
NSN 6240-01-009-8729
NSN 6105-01-388-1926
NSN 4140-00-036-6447
NSN 6220-00-915-9871
NSN 6130-01-106-7754
NSN 5950-00-148-0073
NSN 5925-00-295-6255