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 5999-01-075-5321
NSN 5920-00-189-0858
NSN 5998-01-068-3744
NSN 6145-01-265-9360
NSN 6610-01-308-0239
NSN 5910-00-438-8442
NSN 5915-00-472-1092
NSN 5990-01-068-1651
NSN 6135-00-926-6398
NSN 5985-01-099-2735
NSN 2925-00-033-4621
NSN 6685-01-633-8656