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 5990-01-011-0683
NSN 5945-00-360-3873
NSN 5920-01-489-7090
NSN 5999-00-005-4596
NSN 5950-00-104-7526
NSN 6320-01-462-2295
NSN 6620-01-400-2928
NSN 5998-00-904-6613
NSN 6240-01-382-1279
NSN 5985-00-279-9914
NSN 6130-01-575-1452
NSN 6135-01-142-6456