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 5990-01-544-4360
NSN 6110-00-097-1053
NSN 6150-00-221-2593
NSN 6645-01-232-4843
NSN 5975-00-650-2608
NSN 5935-01-339-5585
NSN 5990-00-400-4794
NSN 5905-00-076-7135
NSN 4140-01-528-7895
NSN 5990-01-216-1276
NSN 6220-00-553-8938
NSN 5975-01-329-6824