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 6650-00-820-4577
NSN 5930-01-424-5975
NSN 5945-01-059-0611
NSN 5998-00-518-5118
NSN 6110-01-032-8937
NSN 6645-00-080-1087
NSN 5990-00-389-0554
NSN 6150-01-386-0370
NSN 5905-01-338-3123
NSN 5910-01-372-0804
NSN 6620-00-959-6614
NSN 5930-01-301-9826