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 6685-00-642-0533
NSN 5996-01-399-6677
NSN 4140-01-108-3654
NSN 5985-00-277-7371
NSN 5935-01-071-5296
NSN 4140-01-241-1421
NSN 6240-01-030-1183
NSN 6620-00-621-6951
NSN 6145-00-103-9848
NSN 5910-01-335-8924
NSN 5905-01-464-2243
NSN 2925-01-426-3410