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
NSN 5895-00-231-1461
NSN 5910-01-137-0152
NSN 5905-01-604-5158
NSN 5925-01-415-0128
NSN 6685-01-616-4091
NSN 5960-00-067-9364
NSN 6650-01-555-8819
NSN 5920-00-189-0858
NSN 7035-01-660-9912
NSN 5895-01-112-2807
NSN 6685-01-605-2959