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 5996-01-131-0006
NSN 5855-00-127-5559
NSN 5998-00-046-5568
NSN 4140-01-649-9183
NSN 6320-01-497-3116
NSN 6320-01-366-5157
NSN 5965-01-218-5003
NSN 6135-01-175-7311
NSN 5925-01-466-2804
NSN 5915-01-429-8328
NSN 6650-01-512-1930
NSN 6145-01-660-4970