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 5910-00-276-8592
NSN 5990-00-066-7718
NSN 5910-01-004-9985
NSN 6220-01-644-2483
NSN 5945-00-952-2511
NSN 6650-01-479-1297
NSN 6620-01-194-6618
NSN 4140-00-702-4647
NSN 5965-01-617-7703
NSN 5950-00-604-0930
NSN 5920-01-491-7441
NSN 6135-01-512-8105