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 5910-01-384-2665
NSN 6320-01-651-7476
NSN 6240-01-394-5320
NSN 6685-01-152-2768
NSN 6620-00-135-9338
NSN 5910-00-825-3603
NSN 5998-00-403-2798
NSN 5920-01-632-2078
NSN 7035-00-703-3535
NSN 6150-01-047-5738
NSN 6650-00-078-5773
NSN 6320-00-284-1524