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 5925-00-038-6147
NSN 5996-00-422-3328
NSN 5945-01-504-0458
NSN 6650-00-001-9473
NSN 5895-01-647-9400
NSN 5960-01-531-9108
NSN 5945-01-548-5389
NSN 5910-01-244-3995
NSN 5999-00-778-6340
NSN 5835-01-593-7579
NSN 5915-00-181-9223
NSN 5960-00-140-1727