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 6645-00-679-8203
NSN 5996-00-288-1829
NSN 5855-00-862-3345
NSN 5915-00-203-5890
NSN 5945-01-554-2612
NSN 5985-01-160-1743
NSN 5915-01-485-2466
NSN 5965-00-958-7455
NSN 5905-01-605-0497
NSN 5960-01-622-0393
NSN 5855-01-006-1827
NSN 5996-01-113-7960