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 5895-01-017-7574
NSN 6130-01-366-2162
NSN 6240-01-510-9299
NSN 5999-01-371-2185
NSN 5990-01-221-0609
NSN 6650-00-960-5040
NSN 6130-01-400-6123
NSN 5960-01-421-0887
NSN 7035-00-919-3381
NSN 5895-01-359-1483
NSN 5945-01-222-0675
NSN 5960-00-771-2824