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 6650-01-204-7841
NSN 6650-01-656-0491
NSN 6145-00-832-5323
NSN 6150-01-179-7036
NSN 5895-01-130-6072
NSN 6320-01-498-4954
NSN 6135-00-738-5571
NSN 5985-00-291-1140
NSN 5920-01-275-9564
NSN 5930-01-467-2384
NSN 6240-01-613-2503
NSN 5930-00-920-4739