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 6240-01-628-9240
NSN 6220-00-030-6728
NSN 5960-00-891-7441
NSN 6150-01-049-9906
NSN 6610-01-065-1073
NSN 5925-01-123-2045
NSN 4140-00-983-8048
NSN 5998-01-076-4729
NSN 5855-00-466-2309
NSN 5950-00-951-7448
NSN 6240-01-512-3256
NSN 6620-01-147-0441