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 6620-00-983-4171
NSN 6320-01-333-5782
NSN 5895-01-149-8969
NSN 5985-01-252-7044
NSN 6620-01-412-0938
NSN 5855-01-010-4921
NSN 5935-01-538-4852
NSN 5835-01-422-7393
NSN 5996-00-707-6228
NSN 5920-01-648-2686
NSN 6320-01-215-1133
NSN 5915-01-029-6872