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 6145-00-705-6686
NSN 5998-00-843-1125
NSN 5999-01-438-3441
NSN 5930-01-115-3701
NSN 5960-00-091-8729
NSN 6240-00-518-2400
NSN 5965-01-367-2275
NSN 6105-00-797-4045
NSN 5950-01-526-4263
NSN 5895-00-081-2219
NSN 5910-01-025-9987
NSN 6240-01-580-3076