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 5990-01-269-2111
NSN 5950-01-485-9214
NSN 5930-01-521-3881
NSN 5920-00-922-8493
NSN 5998-01-415-3286
NSN 5990-01-097-4721
NSN 6645-01-028-2186
NSN 5910-01-292-2652
NSN 5855-01-400-1590
NSN 6645-01-229-2497
NSN 5945-01-320-0901
NSN 6650-00-903-6670