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 5985-01-461-0334
NSN 6650-01-538-8776
NSN 5996-01-416-9330
NSN 5998-01-634-0604
NSN 6105-01-083-2761
NSN 6685-00-751-3091
NSN 6685-01-580-4974
NSN 5910-00-116-9344
NSN 5985-01-654-0448
NSN 5960-01-428-7300
NSN 4140-00-920-6393
NSN 6240-01-331-5246