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 5985-01-441-8140
NSN 6130-00-758-4485
NSN 6220-01-360-2532
NSN 5935-01-260-5262
NSN 5930-01-655-5968
NSN 6110-00-854-2249
NSN 5935-01-231-1185
NSN 6150-01-356-9499
NSN 5996-01-164-8266
NSN 6610-01-142-8958
NSN 6610-01-606-2144
NSN 5950-01-408-3667