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 6130-01-144-8642
NSN 5925-01-043-7756
NSN 5920-01-216-6128
NSN 6650-00-945-9105
NSN 5910-00-254-1605
NSN 6105-01-360-2776
NSN 6650-01-368-7806
NSN 5935-00-516-5251
NSN 5925-00-412-5342
NSN 6110-00-551-8321
NSN 5996-01-264-8463
NSN 5965-01-633-8849