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 6645-01-377-2553
NSN 6650-00-888-7956
NSN 5905-01-417-3141
NSN 6150-00-827-0081
NSN 5960-01-170-5932
NSN 5915-01-092-6838
NSN 6105-01-359-2962
NSN 5945-01-566-7355
NSN 5895-01-067-7957
NSN 5999-01-472-9462
NSN 6620-01-117-7303
NSN 5960-00-081-9255