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 5895-01-254-3893
NSN 5960-01-641-5493
NSN 2925-00-771-7521
NSN 6110-01-091-9703
NSN 6240-00-383-7668
NSN 6105-01-336-1891
NSN 5835-01-072-7693
NSN 5990-00-389-0554
NSN 5925-01-390-0658
NSN 6130-01-357-4592
NSN 5999-00-169-3853
NSN 5935-01-386-1232