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 6650-01-100-6560
NSN 5990-00-658-3953
NSN 5920-01-634-0250
NSN 6220-00-068-1000
NSN 5930-00-992-3435
NSN 6240-01-248-0424
NSN 5999-01-261-1847
NSN 5965-00-055-8013
NSN 6220-01-397-8060
NSN 5945-01-656-5877
NSN 6150-01-654-9027
NSN 6320-01-265-0665