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 5895-01-359-5090
NSN 6220-01-513-9279
NSN 6650-01-543-7048
NSN 5950-01-417-2136
NSN 6150-00-269-5017
NSN 5855-01-147-4785
NSN 5945-01-298-2459
NSN 5910-00-351-8768
NSN 6105-00-146-1568
NSN 5965-00-518-0958
NSN 6135-00-726-4142
NSN 5920-01-282-9865