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 5910-01-514-8481
NSN 5920-00-146-5071
NSN 6240-00-468-7089
NSN 6110-01-453-5518
NSN 5920-01-592-2754
NSN 5960-01-283-2281
NSN 6135-01-528-6896
NSN 6110-00-185-8147
NSN 6220-01-372-5743
NSN 5935-01-527-7655
NSN 5945-00-081-9491
NSN 6145-00-959-7610