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 5855-00-560-0110
NSN 5935-01-232-2600
NSN 5945-00-222-3744
NSN 7035-01-312-3577
NSN 5915-00-933-5658
NSN 5895-01-463-1940
NSN 5998-01-134-9068
NSN 5835-01-185-1102
NSN 5985-01-252-8822
NSN 6685-01-439-3564
NSN 6150-00-614-9568
NSN 5905-00-284-6188