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 6610-00-686-5817
NSN 5945-01-249-8359
NSN 6135-01-615-6205
NSN 6645-01-134-2976
NSN 5975-01-502-9662
NSN 5915-00-737-0924
NSN 5996-00-256-3915
NSN 5905-01-611-8248
NSN 5935-01-356-6171
NSN 5950-01-309-6854
NSN 5998-01-654-3839
NSN 6650-00-440-3537