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 6110-01-400-4207
NSN 6145-00-588-0794
NSN 5895-00-487-8448
NSN 5945-00-787-0345
NSN 7035-01-541-0554
NSN 6220-01-447-3657
NSN 5965-00-314-5303
NSN 5905-00-020-6064
NSN 6105-01-519-8003
NSN 5855-01-233-2767
NSN 5965-00-879-7287
NSN 6240-01-633-9357