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 5935-00-803-9670
NSN 6105-01-381-2496
NSN 6685-00-580-5958
NSN 5835-00-617-3578
NSN 2925-01-185-1814
NSN 6685-01-368-6677
NSN 5835-01-362-1946
NSN 5935-00-378-9285
NSN 6685-01-634-0611
NSN 5945-00-922-1341
NSN 6110-01-423-2837
NSN 6135-00-793-1809