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 5990-01-183-1897
NSN 5915-01-509-6985
NSN 5998-00-445-8027
NSN 5915-01-496-1732
NSN 6620-01-653-7644
NSN 6320-01-516-3050
NSN 6610-01-448-0982
NSN 5990-00-332-1735
NSN 5985-01-469-9496
NSN 5930-01-654-3669
NSN 2925-01-599-1901
NSN 6130-01-462-0155