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 5965-01-209-2411
NSN 6320-00-036-3688
NSN 5855-01-546-2810
NSN 4140-01-335-3451
NSN 4140-01-382-8506
NSN 5915-00-931-0409
NSN 6645-01-497-4555
NSN 5910-01-322-3178
NSN 6130-01-462-8078
NSN 5935-01-458-6921
NSN 6135-00-933-4293
NSN 6645-01-268-4045