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 5895-01-045-6446
NSN 5925-01-585-6201
NSN 5996-01-566-0344
NSN 5935-01-175-0815
NSN 7035-01-643-5749
NSN 6610-01-142-8958
NSN 2925-00-660-8131
NSN 6150-01-425-1947
NSN 6135-01-398-5922
NSN 6150-01-214-4742
NSN 6135-01-260-7180
NSN 5935-00-265-0705