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 6620-01-360-9680
NSN 6650-01-457-0980
NSN 6650-01-314-5073
NSN 6220-01-547-0271
NSN 5925-00-008-4413
NSN 6145-01-468-5060
NSN 5895-00-857-6783
NSN 6645-01-593-8190
NSN 5930-01-116-2944
NSN 5930-01-482-1382
NSN 5975-01-114-6588
NSN 5960-01-536-9763