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 6620-00-555-3992
NSN 5945-00-699-9797
NSN 5965-01-234-6844
NSN 5855-01-536-3978
NSN 7035-00-392-5417
NSN 5910-01-332-4710
NSN 5930-01-027-8189
NSN 6105-01-245-8932
NSN 6110-01-629-9464
NSN 6240-00-248-4281
NSN 6110-01-216-3475
NSN 4140-01-501-7397