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 5910-01-399-4564
NSN 6150-01-310-7414
NSN 6150-00-342-9765
NSN 6645-00-022-8691
NSN 5965-01-497-5961
NSN 5935-01-109-4900
NSN 6135-01-556-7318
NSN 5999-00-519-5455
NSN 6150-00-919-7265
NSN 5835-01-359-2575
NSN 6145-01-432-0407
NSN 5996-01-200-7282