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 5950-01-384-3100
NSN 5990-01-443-2931
NSN 6645-01-352-6583
NSN 6240-01-231-4184
NSN 5975-01-412-0104
NSN 5999-00-153-0917
NSN 6130-01-293-3673
NSN 4140-00-465-7668
NSN 5996-00-754-2840
NSN 5930-01-510-0036
NSN 6320-01-600-0787
NSN 5905-01-555-1420