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 6130-00-701-3999
NSN 5910-01-336-4811
NSN 5920-00-253-4227
NSN 6650-01-025-7425
NSN 4140-01-563-8881
NSN 5920-00-865-9622
NSN 5930-00-374-8879
NSN 5905-01-422-4577
NSN 6650-01-431-8933
NSN 6645-01-523-8809
NSN 5985-01-423-8341
NSN 5945-01-546-0273