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 5996-01-334-8369
NSN 6610-00-239-8613
NSN 6110-01-496-9032
NSN 6620-01-441-0240
NSN 6150-01-398-0223
NSN 5935-01-004-1541
NSN 5975-00-098-5464
NSN 5895-00-644-5712
NSN 5945-01-445-6081
NSN 5990-00-460-9394
NSN 5895-01-487-4721
NSN 5996-00-243-1418