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National Stock Number:
5133-00-239-0785
Federal Supply Class:
5133
National Item Identification Number:
002390785
Description:
COUNTERSINK
Detail:
AN ANGULAR CUTTING TOOL, USUALLY MADE WITH ANGULAR RELIEF, HAVING ONE OR MORE FLUTES WITH SPECIFIC SIZE ANGLE CUTTING EDGES. IT IS USED FOR CHAMFERING AND COUNTERSINKING HOLES. THE TOOL MAY HAVE A STRAIGHT SHANK, TAPERED SHANK, BIT STOCK SHANK OR SPECIAL SHANK REQUIRING A SPECIAL HOLDER, FOR HOLDING IN A POWER- OR HAND-OPERATED MACHINE. IT MAY BE DESIGNED TO BE DRIVEN OR TURNED BY MEANS OF A WRENCH OR CARPENTER'S BRACE. FOR ITEMS REQUIRING A HOLDER BUT THE HOLDER IS NOT INCLUDED, USE CUTTER, COUNTERSINK.
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Manufacturer Information:
| 271A60DEGREES | 42970 | LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV | | 40R983 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | B94.2 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS | | 9177132 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 839 3-8-60 | 26232 | JCORPS | | 5133-00-239-0785 | 4U395 | NORTHWEST TOOL CORP | | GGG-C-613 TY4CLASZ3/8 IN.DEG60.0 | 80244 | GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE | | GGG-C-613 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BODY DIAMETER | 0.375 INCHES NOMINAL | | CUTTING END STYLE | STRAIGHT FLUTE POINT END | | CUTTING ROTATION DIRECTION | RIGHT-HAND | | FLUTE QUANTITY | 2 | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM | | INCLUDED ANGLE | 60.0 DEGREES NOMINAL | | OVERALL LENGTH | 1.438 INCHES MINIMUM AND 2.250 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SHANK DIAMETER | 0.250 INCHES NOMINAL | | SHANK STYLE | STRAIGHT ROUND | | SPECIFICATION/STANDARD DATA | 05047-ASME B94.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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