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 6220-01-528-2153
NSN 5895-01-660-2431
NSN 5996-01-003-7206
NSN 5915-01-130-9552
NSN 5855-01-059-2710
NSN 5920-01-333-2376
NSN 6650-01-516-3631
NSN 5930-01-366-6996
NSN 6685-00-296-0392
NSN 5915-00-082-7779
NSN 6240-01-003-8666
NSN 6650-01-625-6961