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 5960-00-857-6786
NSN 5920-00-336-9055
NSN 5930-00-934-2843
NSN 5996-01-443-2324
NSN 4140-00-248-6089
NSN 5925-00-132-4305
NSN 6320-01-352-5653
NSN 6645-00-191-4978
NSN 6105-00-960-0072
NSN 5930-01-351-7182
NSN 5895-00-056-1512
NSN 6240-01-129-7060