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 4140-00-122-6422
NSN 5960-00-009-4381
NSN 6130-01-417-2662
NSN 4140-01-263-2180
NSN 6110-01-618-6124
NSN 5925-01-104-8421
NSN 5835-01-363-4527
NSN 5855-01-557-1798
NSN 6110-01-630-5572
NSN 5965-01-194-3453
NSN 6240-01-192-2479
NSN 6150-01-025-6305