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 7035-01-249-4547
NSN 5975-00-942-1925
NSN 6650-00-026-5296
NSN 5950-00-489-0914
NSN 6110-01-032-2899
NSN 5945-01-284-4156
NSN 6110-00-449-0579
NSN 6610-00-724-8898
NSN 6620-01-487-8735
NSN 5999-01-511-7295
NSN 6610-01-189-3001
NSN 5999-00-368-2945