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 5999-00-353-1234
NSN 5990-00-386-4951
NSN 5910-00-937-7780
NSN 5910-00-179-2888
NSN 5925-01-183-6333
NSN 4140-01-417-2611
NSN 7035-01-464-9367
NSN 4140-00-961-5480
NSN 5996-01-313-2644
NSN 6610-01-604-1744
NSN 6320-00-682-3448
NSN 6150-01-015-9528