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National Stock Number:
5133-01-139-2728
Federal Supply Class:
5133
National Item Identification Number:
011392728
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:
| 363A700-087B | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FEATURES PROVIDED | INTEGRAL PILOT | | OVERALL LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NOMINAL CUTTING DIAMETER | 0.4375 INCHES | | PILOT HOLE NOMINAL DIAMETER | 0.188 INCHES |
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