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 6620-00-422-5866
NSN 5996-00-272-2560
NSN 5930-00-162-8870
NSN 6105-00-542-3624
NSN 6620-01-593-0817
NSN 6610-01-100-3662
NSN 5975-01-500-2227
NSN 6650-00-403-5251
NSN 5998-01-266-9113
NSN 6145-00-147-5440
NSN 5975-01-586-4149
NSN 6650-01-399-8552