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 5965-01-411-9933
NSN 5999-00-576-3656
NSN 5965-01-159-2694
NSN 6620-01-289-8486
NSN 5855-01-023-3727
NSN 5855-00-198-3197
NSN 5935-01-147-0743
NSN 5855-00-149-0766
NSN 5910-01-442-8240
NSN 6135-01-142-2417
NSN 6130-01-255-3492
NSN 4140-00-069-0087