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 6220-00-213-7548
NSN 5996-00-115-6458
NSN 6240-00-248-6517
NSN 5925-01-510-2600
NSN 5915-01-370-8404
NSN 6685-00-627-5236
NSN 5855-01-056-9607
NSN 6320-00-908-6841
NSN 5950-01-090-1619
NSN 6320-01-449-1014
NSN 6145-00-466-4068
NSN 5835-01-114-3194