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 5999-00-187-2767
NSN 6105-01-653-2867
NSN 5996-01-322-0021
NSN 6145-01-467-3244
NSN 6150-01-465-8092
NSN 5999-01-542-1167
NSN 6110-01-417-5504
NSN 5999-01-628-3900
NSN 5920-01-492-5788
NSN 6650-00-331-2232
NSN 5999-00-815-6011
NSN 5945-01-417-3059