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 5935-00-250-5833
NSN 4140-01-319-7786
NSN 5935-01-162-5387
NSN 5855-01-250-2421
NSN 6685-00-503-5088
NSN 5835-01-130-3760
NSN 5998-01-229-9179
NSN 6145-00-480-8543
NSN 6320-01-138-8744
NSN 7035-01-304-0305
NSN 5935-01-162-4114
NSN 6320-01-296-3181