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 4140-01-425-5555
NSN 5935-01-120-8929
NSN 5905-00-227-0117
NSN 5895-00-740-2278
NSN 6105-01-555-8479
NSN 5990-01-116-2181
NSN 6130-01-497-6755
NSN 6145-01-584-5884
NSN 5960-01-522-0391
NSN 6135-00-862-5736
NSN 6650-00-698-5869
NSN 5990-00-977-9261