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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5998-01-021-8841
NSN 6145-01-136-9639
NSN 6610-00-124-2876
NSN 6240-01-432-5092
NSN 6145-01-437-5505
NSN 5999-00-871-2976
NSN 5855-00-149-0766
NSN 5935-00-426-8297
NSN 5895-01-076-0570
NSN 5990-01-071-1505
NSN 6620-01-523-2273
NSN 6145-01-193-0273