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 5999-01-116-5824
NSN 6620-00-197-5130
NSN 2925-00-571-5811
NSN 6145-01-572-5839
NSN 5920-00-387-5312
NSN 5835-01-192-4165
NSN 6645-00-542-1206
NSN 6645-01-589-0983
NSN 2925-01-004-5627
NSN 5945-01-005-9219
NSN 5990-01-426-2037
NSN 5915-00-514-2098