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 5905-00-158-8750
NSN 5960-01-523-9098
NSN 5945-01-065-0887
NSN 4140-01-455-1350
NSN 5895-00-548-4215
NSN 5950-01-024-9461
NSN 5935-01-015-2320
NSN 6620-01-485-0556
NSN 5950-01-141-5850
NSN 7035-00-009-8705
NSN 6220-00-959-8030
NSN 6240-00-215-8550