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		                             National Stock Number: 4910-01-388-8610
  Federal Supply Class: 4910
  National Item Identification Number: 013888610
  Description: WHEEL,ABRASIVE
  Detail: A RIGID PIECE OF ABRASIVE WITH OR WITHOUT MOUNTING FACILITIES. ITEMS HAVING SUCH MOUNTING FACILITIES AS A FIXED SPINDLE, A THREADED INSERT, OR AN ARBOR HOLE ARE DESIGNED FOR MOUNTING ON A GRINDING MACHINE, TOOL CHUCK OR MANDREL. ITEMS WITHOUT MOUNTING FACILITIES ARE DESIGNED TO BE SECURED IN A WHEEL HOLDER BY MEANS OF SPRING CLAMPS.
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  Manufacturer Information:
 | K631WS | 00988 | SIOUX TOOLS INC |   
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  Techincal Specification:
 | ANGLE | 45.0 DEGREES |  | HOLE DIAMETER | 0.562 INCHES NOMINAL |  | OVERALL THICKNESS | 0.750 INCHES NOMINAL |  | MOUNTING METHOD | THREADED INSERT |  | SPECIAL FEATURES | FINISH WHEEL DESIGNED FOR GRINDING STELLITE VALVE SEATS |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 0.562-16 UN |  | USAGE DESIGN | VALVE SEAT GRINDING |  | WHEEL DIAMETER | 2.750 INCHES NOMINAL |  | WHEEL STYLE | SPECIAL "ZB" |   
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