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.
NSN 5965-01-350-1890
NSN 6240-01-600-7489
NSN 6145-00-936-9686
NSN 6220-00-512-9472
NSN 6685-01-415-5551
NSN 6135-01-190-2628
NSN 6610-00-759-1559
NSN 6320-01-406-6098
NSN 5920-01-298-1925
NSN 5895-00-209-7321
NSN 5960-01-029-2940
NSN 5996-00-252-8081