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 6620-01-475-8305
NSN 5985-01-116-2363
NSN 6620-01-612-9030
NSN 5999-01-203-0442
NSN 5930-01-440-8629
NSN 4140-00-652-9238
NSN 6145-00-431-7441
NSN 6620-00-280-2874
NSN 5930-00-201-3840
NSN 5935-00-143-1399
NSN 6130-00-072-6674
NSN 5975-00-081-2171