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 5835-00-829-0670
NSN 7035-00-908-4933
NSN 4140-01-444-6766
NSN 5960-01-062-4087
NSN 6220-01-252-9285
NSN 6145-00-336-1986
NSN 6620-00-247-7427
NSN 6610-00-248-1559
NSN 6135-00-519-1325
NSN 5915-01-432-2491
NSN 6645-01-400-2119
NSN 5996-00-375-5057