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.
NSN 6220-01-147-4500
NSN 5935-01-336-9269
NSN 5945-01-037-7058
NSN 6130-00-032-0378
NSN 6145-00-155-5297
NSN 6135-00-752-1589
NSN 6610-00-009-0925
NSN 5999-01-021-3430
NSN 6110-01-398-0212
NSN 5925-00-103-7918
NSN 5965-01-078-6776
NSN 6320-01-527-0211