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 5990-00-849-6358
NSN 6650-01-443-4053
NSN 7035-01-137-3642
NSN 6130-00-270-1024
NSN 5975-00-901-3180
NSN 5855-00-256-5562
NSN 5999-01-459-6035
NSN 5935-01-429-9011
NSN 7035-00-455-7666
NSN 5930-01-239-2250
NSN 6240-01-603-0143
NSN 6145-01-109-7616