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 6320-01-288-4783
NSN 5985-00-251-1453
NSN 6220-01-429-0946
NSN 6150-00-809-6569
NSN 6130-01-312-2065
NSN 4140-01-519-3349
NSN 5925-00-222-3843
NSN 6240-00-334-6766
NSN 5930-01-488-5598
NSN 4140-00-064-7847
NSN 6685-00-208-2898
NSN 7035-00-981-7216