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 6110-00-920-1404
NSN 5998-00-574-1618
NSN 5855-00-256-5562
NSN 4140-01-625-2258
NSN 6145-01-007-8870
NSN 6135-01-100-3593
NSN 6620-00-237-9395
NSN 6220-00-017-3900
NSN 6610-01-543-3753
NSN 6650-00-518-2962
NSN 2925-00-113-1835
NSN 5950-01-342-4528