A valve 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 may be inline or cartridge (manifold) design.
NSN 5960-01-067-4604
NSN 5975-01-170-7837
NSN 5915-00-201-7090
NSN 6240-00-218-1480
NSN 5925-00-499-9220
NSN 5910-01-422-4924
NSN 5996-01-382-5113
NSN 5915-00-226-6863
NSN 5925-01-441-6892
NSN 4140-01-645-9132
NSN 5920-00-593-6496
NSN 5975-00-450-5676