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 6685-00-081-0065
NSN 6645-01-415-3341
NSN 5835-01-616-6131
NSN 5930-00-269-3301
NSN 6150-01-210-8887
NSN 6620-01-386-5914
NSN 5920-01-391-5666
NSN 5998-01-505-2976
NSN 5999-01-474-6224
NSN 5915-01-251-4986
NSN 5945-01-523-8340
NSN 5985-00-155-3535