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 5835-01-126-9358
NSN 5915-00-948-1415
NSN 5930-00-939-5464
NSN 5905-01-367-0509
NSN 6650-01-661-0867
NSN 5975-00-889-0496
NSN 5950-01-087-2890
NSN 5965-00-028-9646
NSN 5975-01-231-9549
NSN 5910-01-566-7080
NSN 4140-01-023-0407
NSN 5999-01-359-2087