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 6240-01-548-2197
NSN 2925-00-456-7627
NSN 6110-01-411-7478
NSN 6620-01-373-0174
NSN 5975-00-213-5145
NSN 5920-01-436-4604
NSN 6685-01-634-0611
NSN 6150-01-619-6431
NSN 6320-00-186-6452
NSN 5975-00-058-2229
NSN 5996-01-032-5926
NSN 5990-01-073-2275