Pressure to pilot port opens valve for return flow
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 materials other than copper, iron or steel
NSN 6150-00-363-7102
NSN 6135-01-125-4867
NSN 6320-01-384-7079
NSN 5945-01-615-1962
NSN 5920-00-233-3552
NSN 5855-00-256-5562
NSN 5975-00-834-7840
NSN 5930-01-487-3803
NSN 5935-00-394-9903
NSN 5905-01-558-5734
NSN 5996-00-800-7628
NSN 6685-00-126-3741