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 5895-00-349-8999
NSN 4140-01-350-3277
NSN 5835-01-297-1909
NSN 5855-01-488-6571
NSN 6130-00-079-1269
NSN 5910-00-083-8738
NSN 5996-01-518-4674
NSN 6610-01-153-0700
NSN 6130-00-862-5516
NSN 5945-01-427-3790
NSN 5920-00-617-9694
NSN 6650-00-403-3602