An item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also valve, check; valve, stop-check.
NSN 6105-00-516-2151
NSN 5910-00-179-5826
NSN 5910-00-205-2430
NSN 5935-01-600-2802
NSN 6130-01-180-0329
NSN 5945-01-112-0148
NSN 6130-00-359-2747
NSN 5910-00-081-8440
NSN 5910-01-231-2672
NSN 6135-01-202-8113
NSN 5975-01-367-1859
NSN 7035-01-412-8322