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 6240-00-617-9599
NSN 6130-00-356-4157
NSN 5965-00-028-9646
NSN 5960-01-491-9916
NSN 6130-01-073-7797
NSN 2925-01-589-4880
NSN 5999-01-513-6999
NSN 5855-00-631-4565
NSN 5985-01-268-1359
NSN 6240-00-805-0955
NSN 6240-00-983-4583
NSN 5855-00-149-0766