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 5960-01-303-0301
NSN 5920-01-026-2559
NSN 2925-00-152-1825
NSN 5910-00-908-9414
NSN 6645-00-802-7991
NSN 6135-01-124-2376
NSN 5835-00-706-0829
NSN 6685-01-634-0611
NSN 5960-00-011-9315
NSN 5999-00-716-9426
NSN 6135-00-284-1406
NSN 6150-01-391-2614