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 5965-00-246-4767
NSN 5965-01-186-2051
NSN 5975-01-048-5447
NSN 5990-01-116-2181
NSN 5985-01-485-0191
NSN 2925-01-127-0167
NSN 6220-00-782-2058
NSN 6135-00-073-8939
NSN 2925-01-123-1169
NSN 6130-01-142-2698
NSN 5950-00-832-3261
NSN 6610-01-424-8325