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 5945-01-449-0075
NSN 6610-01-356-6949
NSN 6320-00-313-9114
NSN 6320-01-564-0893
NSN 6150-01-025-9766
NSN 6320-01-039-5891
NSN 6135-01-545-6582
NSN 5925-01-390-8822
NSN 5950-01-160-8176
NSN 5895-00-845-9262
NSN 5960-00-707-3335
NSN 5910-01-401-5279