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 5895-01-642-1811
NSN 5990-00-247-0975
NSN 6240-01-436-4649
NSN 6685-01-310-7193
NSN 5960-01-359-6630
NSN 5985-00-501-7816
NSN 5998-00-414-1181
NSN 5996-00-598-4839
NSN 5965-01-353-0085
NSN 5945-00-726-5021
NSN 6620-01-189-8153
NSN 5945-01-304-9193