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 6240-00-759-7404
NSN 5999-00-256-9366
NSN 2925-01-593-2542
NSN 6320-01-271-0247
NSN 6110-00-800-2336
NSN 6110-01-546-4685
NSN 5920-01-573-6887
NSN 5930-00-484-4189
NSN 5965-00-726-3168
NSN 6240-01-446-7851
NSN 6650-01-298-4138
NSN 6610-01-506-4234