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 5915-01-540-4491
NSN 5965-00-603-9306
NSN 5945-01-142-9545
NSN 6220-01-179-1311
NSN 5998-01-650-5595
NSN 6620-01-172-3500
NSN 5935-00-967-6874
NSN 4140-00-724-6337
NSN 6650-00-717-8913
NSN 5930-01-199-2747
NSN 6130-01-353-2530
NSN 6610-01-238-5559