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 5910-01-322-5254
NSN 6645-01-511-3272
NSN 6240-01-437-6680
NSN 5925-01-366-3568
NSN 6130-01-429-8701
NSN 5975-01-548-0886
NSN 5999-00-185-3820
NSN 5975-00-455-6300
NSN 5910-01-374-3610
NSN 5960-01-192-0268
NSN 5975-01-228-1686
NSN 5950-00-063-0867