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 6645-00-292-5053
NSN 6110-01-441-2625
NSN 5945-01-633-1886
NSN 5945-00-255-0072
NSN 6320-01-481-7322
NSN 6650-00-223-7301
NSN 6645-01-105-1365
NSN 6610-01-469-6235
NSN 5975-00-473-7859
NSN 6650-01-142-1688
NSN 6150-01-457-7407
NSN 5935-01-611-3099