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 6610-01-302-0585
NSN 2925-00-136-2612
NSN 5990-01-452-0911
NSN 6145-00-269-4271
NSN 5965-01-329-7890
NSN 4140-01-184-7417
NSN 6320-01-332-7020
NSN 5960-01-174-6975
NSN 5965-01-273-3055
NSN 5999-00-735-2205
NSN 5945-01-441-9801
NSN 6620-01-259-5944