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 5905-01-112-4211
NSN 6130-01-418-7787
NSN 5895-01-634-0630
NSN 5920-01-013-8594
NSN 6130-00-661-0197
NSN 5945-01-470-0691
NSN 5915-01-473-2455
NSN 6110-01-038-5162
NSN 6220-01-493-7932
NSN 5925-01-122-8135
NSN 6110-01-622-0675
NSN 5975-01-171-4945