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 6150-00-770-6940
NSN 6320-01-339-5351
NSN 5910-00-156-7293
NSN 2925-01-408-9485
NSN 5930-01-027-1720
NSN 4140-01-371-9923
NSN 6685-00-825-8038
NSN 6620-01-310-6653
NSN 6145-01-281-7222
NSN 6105-00-161-1834
NSN 5945-01-492-1056
NSN 6130-01-615-6714