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 5960-01-521-0626
NSN 5998-00-328-2416
NSN 6650-01-239-6241
NSN 6145-00-132-4800
NSN 5960-01-469-5874
NSN 5905-01-606-7327
NSN 6620-01-254-7963
NSN 6620-00-441-5252
NSN 5930-00-913-9665
NSN 5985-00-337-6819
NSN 6220-01-502-7230
NSN 6130-01-432-2067