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 6105-01-634-0322
NSN 6130-01-215-2971
NSN 5990-01-259-7138
NSN 5910-00-236-2896
NSN 4140-01-645-4628
NSN 5945-01-201-8337
NSN 5935-01-175-6083
NSN 5965-00-932-4591
NSN 5996-01-524-3052
NSN 5930-00-337-8050
NSN 5996-01-247-7671
NSN 5895-00-185-4543