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 4140-01-011-0165
NSN 4140-00-960-8222
NSN 5855-01-516-8047
NSN 5990-00-085-4299
NSN 5996-00-125-4570
NSN 6650-00-349-8732
NSN 5950-01-254-1516
NSN 5855-00-198-3197
NSN 5835-01-619-6268
NSN 5975-01-086-5896
NSN 6130-00-197-9371
NSN 6620-00-815-2281