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		                             National Stock Number: 5133-01-393-4822
  Federal Supply Class: 5133
  National Item Identification Number: 013934822
  Description: COUNTERBORE,HAND
  Detail: AN END CUTTING TOOL FOR FORMING A FLAT BOTTOMED ENLARGEMENT OF THE MOUTH OF A PREVIOUSLY FORMED CYLINDRICAL HOLE. IT MAY HAVE AN INTEGRAL OR INSERTED PILOT. DESIGNED TO BE DRIVEN OR TURNED BY A WRENCH, CARPENTER'S BRACE OR HANDLE. FOR POWER DRIVEN ITEMS, SEE COUNTERBORE, MACHINE.
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  Manufacturer Information:
 | PWA83133 | 77445 | RTX CORPORATION |   
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  Techincal Specification:
 | SUPPLEMENTARY FEATURES | TO REPAIR THE TURBINE EXHAUST CASE STRUTS IT MAY BE NECESSARY TO REMOVETHE KIEL TUBES; TO BE REMOVED FROM THEASSEMBLY THE HEAD OF THE TUBE MUST BE MACHINED FROM IT; PWA81333 PILOTED COUNTERBORE CONSISTS OF A COLBALT DRILL MODIFIED TO CONTROLLED DIMENSIONS |   
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