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 5855-01-125-9167
NSN 2925-00-221-8529
NSN 5895-00-637-2658
NSN 6220-01-027-1294
NSN 6650-01-118-6562
NSN 5935-01-314-9460
NSN 5935-01-276-6873
NSN 5990-01-632-0969
NSN 5950-00-351-6915
NSN 6130-01-167-7418
NSN 6320-01-616-0843
NSN 6220-01-101-9721