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 6240-00-789-3370
NSN 5920-01-016-8832
NSN 6105-01-591-3044
NSN 5975-01-100-1063
NSN 5855-00-885-8452
NSN 5855-00-797-8217
NSN 5935-01-161-6205
NSN 6150-01-063-4036
NSN 6240-01-259-4265
NSN 6650-01-152-9425
NSN 5835-01-383-1313
NSN 5925-01-523-9056