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 5925-00-612-7159
NSN 5930-00-655-4406
NSN 5925-01-204-8770
NSN 5990-01-433-7886
NSN 6650-00-170-5095
NSN 6650-00-161-8183
NSN 5855-01-501-5683
NSN 5905-01-125-6102
NSN 6135-00-728-9860
NSN 5895-01-367-2387
NSN 5915-00-398-0677
NSN 6220-00-001-9609