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 5975-01-016-7569
NSN 5895-01-204-5639
NSN 6145-00-968-6603
NSN 5960-00-452-6043
NSN 5855-01-542-9059
NSN 5965-01-459-7311
NSN 5935-01-491-2808
NSN 6110-01-026-9623
NSN 5990-00-226-7894
NSN 6145-01-634-0388
NSN 6145-01-167-1637
NSN 5930-01-016-8825