Sole source required by statute 6.302, when using 7800s respirators, adapter 701, nsn 4240-01-389-74492 is required
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 2925-01-596-9448
NSN 5935-01-382-6208
NSN 5985-01-417-9558
NSN 2925-00-416-2894
NSN 6650-01-605-2302
NSN 5935-01-512-1904
NSN 5996-01-657-2029
NSN 5975-00-165-5834
NSN 5985-01-145-1470
NSN 5945-01-599-4910
NSN 5975-00-318-4623
NSN 5855-01-535-7127