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 5996-00-161-4202
NSN 6135-00-826-4798
NSN 4140-01-136-2204
NSN 6645-00-764-0412
NSN 6105-01-421-2644
NSN 4140-00-554-4050
NSN 5975-01-388-2752
NSN 5835-01-135-2601
NSN 5960-00-101-5461
NSN 5999-01-023-1633
NSN 5999-01-475-8060
NSN 6220-01-224-8746