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 4140-01-400-0643
NSN 5920-01-339-1080
NSN 6240-00-170-5302
NSN 6220-00-412-2741
NSN 2925-01-149-0352
NSN 6150-01-536-7258
NSN 5999-00-227-3931
NSN 6220-00-848-8857
NSN 5999-00-192-4681
NSN 6620-01-339-1238
NSN 5975-01-351-6846
NSN 5905-00-459-5351