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		                             National Stock Number: 4320-01-237-0288
  Federal Supply Class: 4320
  National Item Identification Number: 012370288
  Description: RING,WEARING
  Detail: 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. 
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  Manufacturer Information:
 | BS4-1686 | 63857 | CIRCOR NAVAL SOLUTIONS LLC |  | BS4-1686 PIECE 8 | 63857 | CIRCOR NAVAL SOLUTIONS LLC |  | S5801-521165 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | S5801-521165 PIECE 8 | 53711 | NAVAL SEA SYSTEMS COMMAND |   
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