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 6320-00-036-3688
NSN 5975-01-655-9132
NSN 6240-01-503-8717
NSN 6240-01-384-8802
NSN 5910-01-139-5085
NSN 6650-01-469-8979
NSN 6240-01-447-4003
NSN 6220-00-726-2744
NSN 6145-00-648-2726
NSN 6130-01-091-7582
NSN 5998-00-678-8778
NSN 5990-00-754-2842