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 5855-00-466-2309
NSN 6610-01-608-7659
NSN 5905-01-203-5758
NSN 6105-01-577-0014
NSN 5975-01-184-5833
NSN 6220-00-989-7872
NSN 5999-00-753-1071
NSN 6650-00-764-4136
NSN 5950-01-249-5930
NSN 5935-01-541-4597
NSN 5920-00-362-1376
NSN 5915-01-241-5469