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 5965-01-187-0941
NSN 5996-00-879-4264
NSN 2925-00-111-4097
NSN 6620-01-085-8688
NSN 6220-01-549-4913
NSN 5999-01-292-5045
NSN 6150-01-159-9948
NSN 6650-01-320-5628
NSN 5925-01-184-0633
NSN 4140-01-357-0724
NSN 4140-01-306-4728
NSN 6240-01-633-9357