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 6130-01-330-7352
NSN 5990-01-100-1840
NSN 5965-00-772-8024
NSN 5855-00-189-6066
NSN 5835-01-424-0054
NSN 2925-01-424-0235
NSN 6320-01-465-2028
NSN 5965-01-358-1279
NSN 6610-00-225-9886
NSN 6650-01-470-1315
NSN 5920-01-496-6068
NSN 5855-01-165-6361