Sole source required by statute 6.302; used for highly toxic particulates
Air filtering devices, especially designed to be inserted in the facepiece of the mask. The filters remove from the air passing through them toxic and/or irritating chemical vapors, gases, and particulate contaminants (dusts, fumes, mists, fogs, and smoke), including biological organisms likely to be used in warfare. They may filter industrial dusts, fumes, mists, fogs, and smoke, but are not designed to remove industrial type gases or vapors.
NSN 5996-01-493-7962
NSN 5935-01-304-2037
NSN 5999-00-162-8932
NSN 5996-01-523-5336
NSN 6145-01-051-9685
NSN 6105-01-408-3298
NSN 5835-00-016-3671
NSN 4140-00-657-4964
NSN 5910-00-116-2753
NSN 5835-01-337-2793
NSN 6650-01-455-4327
NSN 5996-01-376-9406