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 6320-01-388-3125
NSN 5990-01-143-2518
NSN 6105-01-040-9677
NSN 5945-01-206-7035
NSN 6645-00-857-0410
NSN 5905-00-520-8805
NSN 6320-00-025-9910
NSN 5996-00-484-4679
NSN 6110-00-597-8072
NSN 5935-01-244-5761
NSN 5999-00-073-3666
NSN 5895-01-478-5366