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 6650-00-647-1085
NSN 5999-01-630-2655
NSN 5930-00-003-8483
NSN 6105-00-726-8684
NSN 5920-00-382-8849
NSN 6650-01-202-8014
NSN 5996-01-248-7293
NSN 6220-01-263-2227
NSN 6240-00-079-7852
NSN 6610-01-439-8513
NSN 6150-00-276-7483
NSN 6320-01-390-5385