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 5835-01-162-3042
NSN 5960-00-553-7338
NSN 6610-01-481-6885
NSN 6150-00-171-9455
NSN 5925-01-634-0664
NSN 6620-00-998-6191
NSN 5835-01-583-8358
NSN 5855-00-149-0766
NSN 6650-00-932-2048
NSN 6650-01-463-4564
NSN 5925-00-529-0441
NSN 6130-00-317-3054