A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 6650-01-564-0665
NSN 5960-00-367-2571
NSN 5855-01-177-4751
NSN 5985-01-449-1356
NSN 6130-01-389-3751
NSN 5855-01-435-2772
NSN 6130-01-100-6766
NSN 6130-00-823-8481
NSN 5835-00-930-8500
NSN 4140-00-132-2061
NSN 5996-00-186-8709
NSN 6610-01-633-8931