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 6220-01-432-2232
NSN 6650-01-602-7567
NSN 6685-01-430-4759
NSN 5990-01-306-9290
NSN 5915-01-600-5982
NSN 6150-00-691-1705
NSN 5999-00-419-0693
NSN 5910-01-154-3088
NSN 5915-01-431-2321
NSN 6105-01-287-9756
NSN 5915-01-377-0847
NSN 5925-00-769-3472