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 6620-01-320-7656
NSN 5835-00-269-2232
NSN 5920-01-592-3416
NSN 4140-00-449-9619
NSN 5996-01-265-5150
NSN 6620-00-098-5652
NSN 5950-01-467-3682
NSN 2925-00-600-0986
NSN 5930-00-058-6219
NSN 5998-01-257-4251
NSN 5965-01-139-5472
NSN 6645-01-329-0871