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 steel
NSN 5910-01-159-4118
NSN 5835-01-535-0948
NSN 5998-00-983-9456
NSN 5975-01-129-1443
NSN 5999-00-169-3853
NSN 6110-00-288-4179
NSN 5990-01-073-9409
NSN 6220-01-223-2139
NSN 5935-00-835-3501
NSN 5985-01-170-5090
NSN 6685-01-479-0421
NSN 6620-01-485-6459