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 5920-01-195-7060
NSN 6320-00-174-1362
NSN 5960-01-223-9466
NSN 6645-01-516-7046
NSN 6150-01-339-6338
NSN 5855-01-491-9064
NSN 6110-01-549-2487
NSN 6135-01-377-5729
NSN 6105-01-587-0497
NSN 5999-00-008-4647
NSN 6645-01-605-1485
NSN 6105-01-190-5434