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 5975-00-469-1443
NSN 6620-00-084-7621
NSN 6240-01-461-9635
NSN 5950-00-564-3970
NSN 6135-01-604-8739
NSN 5950-01-060-8773
NSN 6130-00-538-8434
NSN 6150-01-628-6799
NSN 6105-00-784-6005
NSN 7035-01-182-1086
NSN 4140-01-199-9771
NSN 5835-01-642-4705