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 6105-00-919-6524
NSN 6620-01-154-9651
NSN 5975-00-695-7925
NSN 5835-01-469-6706
NSN 6320-01-422-1212
NSN 6610-01-312-3032
NSN 6610-01-003-9763
NSN 6105-01-138-1638
NSN 5945-01-414-9287
NSN 5910-01-464-5499
NSN 6135-01-184-0727
NSN 2925-01-420-2362