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 5975-01-136-4988
NSN 5999-01-577-3227
NSN 5990-01-291-7723
NSN 6320-01-066-1766
NSN 5930-00-654-9870
NSN 6150-01-571-7046
NSN 6620-01-064-0366
NSN 5855-01-608-4351
NSN 6620-01-420-6831
NSN 7035-01-378-9325
NSN 5905-01-391-1235
NSN 5960-00-681-0395