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 5930-00-580-3085
NSN 5835-00-457-9528
NSN 5910-00-606-0897
NSN 5985-01-309-6229
NSN 6135-00-145-8884
NSN 5985-01-477-4209
NSN 5935-00-519-0281
NSN 6685-01-004-9356
NSN 6240-01-612-5386
NSN 6650-01-534-3587
NSN 5935-01-650-1699
NSN 5950-01-387-0931