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 6610-00-540-8911
NSN 5935-00-701-6978
NSN 5999-01-348-8871
NSN 6610-00-410-6072
NSN 5975-00-070-9553
NSN 5975-01-502-0426
NSN 6320-01-078-8257
NSN 6320-01-582-6752
NSN 5855-01-471-7836
NSN 6320-00-164-4087
NSN 6130-01-006-3316
NSN 6645-01-119-3496