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 4140-00-715-4016
NSN 4140-01-621-2987
NSN 5950-01-629-2863
NSN 5920-01-607-4346
NSN 5960-01-357-1261
NSN 6110-00-755-6784
NSN 6240-01-218-3828
NSN 6150-01-415-2345
NSN 6320-01-489-6044
NSN 5905-01-323-8737
NSN 6645-01-490-5948
NSN 6150-01-596-5593