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 6645-01-386-6311
NSN 5835-00-164-7309
NSN 5935-01-593-0029
NSN 6650-01-407-4653
NSN 5910-01-608-3772
NSN 6650-00-035-9297
NSN 6620-01-594-6311
NSN 5998-01-585-9497
NSN 6110-01-244-3471
NSN 6220-00-458-4633
NSN 6110-01-040-1780
NSN 5935-00-627-0955