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 5910-01-307-4450
NSN 5990-00-382-5885
NSN 4140-00-200-9082
NSN 6105-00-862-4951
NSN 5999-01-388-8221
NSN 6150-00-223-2596
NSN 5910-01-414-9727
NSN 6130-01-170-5085
NSN 7035-00-973-9215
NSN 5990-00-116-1919
NSN 6645-00-884-5845
NSN 5945-00-814-6684