NSN 5133-00-595-8256

Part Details | MACHINE COUNTERBORE

5133-00-595-8256 An end cutting tool having two or more cutting edges with flutes or grooves for the passage of cuttings, an integral or removable holder designed for adaption to the end of a machine spindle. The flutes or grooves are usually helical to give a positive rake at the cutting edges. It is designed to form a flat-bottomed enlargement of the mouth of a previously formed cylindrical hole. For items requiring a holder but the holder is not included, use CUTTER, COUNTERBORE.

Alternate Parts: 879 516, 879 5/16, 30000312, 3000-0312, C46425, 879 516, 879 5/16, C46425, 879 516, 879 5/16, 50702, 5133-00-595-8256, 00-595-8256, 5133005958256, 005958256

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
51JAN 01, 196300-595-825605259 ( COUNTERBORE, MACHINE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT ROUND

DOUBLE TWIST W/SCREW POINT

Cross Reference | NSN 5133-00-595-8256
Part Number Cage Code Manufacturer
879 5/1613130CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC
3000-031213130CLEVELAND TWIST DRILL CODIV OF GREENFIELD INDUSTRIES INC
C4642560NQ9GREENFIELD INDUSTRIES, INC.
879 5/1660NQ9GREENFIELD INDUSTRIES, INC.
C464251NEX4KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS
879 5/161NEX4KENNAMETAL INC.DIV KENNAMETAL INDUSTRIAL PRODUCTS
5070242970LEAR SIEGLER INCNATIONAL TWIST DRILL AND TOOL DIV
Technical Data | NSN 5133-00-595-8256
Characteristic Specifications
CUTTING END STYLE DOUBLE TWIST W/SCREW POINT
SHANK STYLE STRAIGHT ROUND
SHANK DIAMETER0.297 INCHES NOMINAL
OVERALL LENGTH3.812 INCHES NOMINAL
NOMINAL CUTTING DIAMETER0.3125 INCHES
FLUTE QUANTITY3
FEATURES PROVIDED REPLACEABLE PILOT
PILOT HOLE NOMINAL DIAMETER0.094 INCHES