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 5965-01-122-7477
NSN 5905-01-246-1426
NSN 6240-00-777-8535
NSN 5999-01-589-2099
NSN 5915-00-132-5531
NSN 5975-01-328-8548
NSN 6320-01-450-1696
NSN 6105-01-070-8625
NSN 5960-01-406-4136
NSN 4140-00-472-4615
NSN 4140-00-866-9587
NSN 5960-01-443-3067