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 6620-00-223-2500
NSN 6620-01-189-8153
NSN 5915-00-126-4742
NSN 5920-01-314-8103
NSN 5990-01-591-8797
NSN 5960-00-512-9121
NSN 5935-01-401-5324
NSN 5990-01-261-2962
NSN 5835-01-471-2861
NSN 5930-01-076-5779
NSN 6110-00-398-9764
NSN 6320-00-636-0922