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 6650-01-092-9866
NSN 6105-01-556-2317
NSN 5975-01-311-9021
NSN 6130-01-232-4346
NSN 5855-01-612-1834
NSN 6620-01-169-9470
NSN 5905-01-025-5169
NSN 5915-01-207-0868
NSN 6135-01-502-8771
NSN 5975-01-645-3946
NSN 6105-01-449-4504
NSN 6105-01-125-2789