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 5975-00-999-9388
NSN 6220-01-640-8748
NSN 5905-01-581-9124
NSN 5930-01-632-8826
NSN 5998-01-131-7829
NSN 6645-00-624-5963
NSN 6105-01-142-3199
NSN 5975-01-297-3879
NSN 5920-00-359-9771
NSN 5910-00-179-2888
NSN 6620-01-633-8443
NSN 5930-01-259-5257