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 6610-00-467-7846
NSN 5996-00-907-5066
NSN 5835-01-626-9603
NSN 5835-01-495-0595
NSN 6650-00-453-9195
NSN 5920-01-153-8821
NSN 5835-01-406-0513
NSN 6145-00-081-6686
NSN 4140-00-336-1728
NSN 7035-00-731-8729
NSN 5950-00-278-1201
NSN 6620-00-880-1361