Breathing valve with by-pass hose, meets niosh approval for intrinsically safe apparatus
NSN 6620-01-196-3548
NSN 5920-01-382-5323
NSN 5999-01-398-8299
NSN 5965-00-773-9047
NSN 5935-01-128-4919
NSN 5975-00-836-3039
NSN 5950-00-280-2560
NSN 5999-01-563-4826
NSN 6130-01-085-8014
NSN 6110-01-427-0161
NSN 7035-00-064-7008
NSN 5910-00-787-2109