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 5945-01-328-5888
NSN 6650-00-353-4097
NSN 6320-01-578-6006
NSN 6105-01-336-9316
NSN 5930-01-054-3868
NSN 4140-01-076-9775
NSN 6610-01-119-2298
NSN 6320-01-521-1764
NSN 6220-00-445-4050
NSN 2925-00-486-8640
NSN 6105-01-098-6559
NSN 5905-01-097-3186