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 6105-00-116-0066
NSN 5945-01-399-7647
NSN 5925-01-359-5532
NSN 6105-01-487-0769
NSN 5915-01-497-2821
NSN 5895-01-114-1679
NSN 6220-01-025-0482
NSN 5835-00-807-3941
NSN 6320-01-395-8422
NSN 5960-00-807-0273
NSN 5895-01-194-1121
NSN 6650-01-237-4689