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 5945-01-549-1096
NSN 5855-00-294-7532
NSN 6145-01-095-3420
NSN 5915-01-314-2262
NSN 5910-01-338-0936
NSN 5835-00-473-1010
NSN 5960-00-432-8989
NSN 4140-00-829-8765
NSN 5990-01-246-2488
NSN 5999-01-136-4449
NSN 6220-01-276-0686
NSN 5975-01-024-0678