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 6145-01-556-8963
NSN 5945-01-322-4856
NSN 6620-01-378-1366
NSN 5920-00-168-4483
NSN 4140-01-322-1700
NSN 7035-01-297-9806
NSN 5835-01-116-2369
NSN 6645-01-112-3242
NSN 4140-01-656-8267
NSN 6110-01-393-6992
NSN 5960-00-390-5846
NSN 6145-00-826-9574