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 6135-01-601-7197
NSN 5905-00-302-1181
NSN 6135-00-862-5736
NSN 6610-01-659-3277
NSN 6135-00-583-3966
NSN 5915-01-542-9037
NSN 6105-01-023-2773
NSN 5999-01-483-9599
NSN 5910-01-113-4526
NSN 6645-01-462-2101
NSN 6320-01-119-3935
NSN 5945-00-724-6957