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 5905-01-197-0460
NSN 5910-00-548-1739
NSN 5920-01-368-6129
NSN 5999-01-039-8034
NSN 5965-01-644-6633
NSN 6685-01-516-2130
NSN 5835-01-472-8897
NSN 4140-00-715-9946
NSN 6105-00-381-8599
NSN 6150-01-622-0210
NSN 5895-01-298-3947
NSN 5950-01-470-1866