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 6645-01-550-7391
NSN 6110-00-920-7100
NSN 5985-00-817-5489
NSN 5930-01-137-0268
NSN 6650-00-824-5510
NSN 5975-00-185-5243
NSN 6620-01-350-0323
NSN 5945-01-416-8221
NSN 6145-01-117-5180
NSN 5975-00-255-8778
NSN 5999-00-950-6157
NSN 5950-00-639-9675