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 5935-00-827-1149
NSN 5930-00-628-4980
NSN 6650-01-230-5155
NSN 5935-01-138-6342
NSN 6650-01-396-0767
NSN 5930-01-446-5974
NSN 5945-00-361-4105
NSN 4140-00-890-3043
NSN 5965-01-408-6218
NSN 5930-00-412-0794
NSN 7035-01-557-2779
NSN 6240-00-702-9068