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 5855-01-634-0259
NSN 4140-01-252-8902
NSN 5999-01-469-1522
NSN 6145-01-423-9430
NSN 6240-00-364-0850
NSN 5945-01-613-2250
NSN 5945-01-226-5254
NSN 5960-00-104-5955
NSN 5999-01-595-2097
NSN 5895-01-504-7602
NSN 5835-00-491-6075
NSN 5950-01-616-6343