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 4140-01-100-1223
NSN 6320-00-593-0379
NSN 6685-01-390-8170
NSN 6135-01-079-7852
NSN 6145-00-115-0560
NSN 5999-00-257-5752
NSN 5835-01-063-6284
NSN 6105-01-238-4388
NSN 5985-01-038-2349
NSN 6145-00-756-3509
NSN 5935-00-498-7684
NSN 5990-00-424-8872