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 5920-01-038-1122
NSN 2925-01-527-5335
NSN 6650-01-306-8352
NSN 5990-01-299-2014
NSN 5895-00-103-4768
NSN 5990-01-384-9747
NSN 7035-01-459-8268
NSN 6220-01-264-3485
NSN 6645-01-626-6643
NSN 7035-00-369-6346
NSN 6130-01-605-4397
NSN 6650-01-604-9073