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 6620-01-063-6289
NSN 5998-01-464-3328
NSN 4140-00-702-4647
NSN 5975-01-326-4677
NSN 2925-00-147-3801
NSN 5925-01-421-8327
NSN 5910-01-651-7568
NSN 5975-00-278-7437
NSN 5990-01-310-5630
NSN 6240-00-105-8380
NSN 5975-01-362-4177
NSN 5935-01-598-5765