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		                        | National Stock Number:
 3020-01-098-6868
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 010986868
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
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 Manufacturer Information:
 
 | 3P6038 | 11083 | CATERPILLAR INC | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 2.175 INCHES BOTH ENDS |  | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |  | END NOMINAL LENGTH | 2.203 INCHES FIRST END |  | END NOMINAL DIAMETER | 2.954 INCHES BOTH ENDS |  | END NOMINAL LENGTH | 1.061 INCHES SECOND END |  | FACE NOMINAL WIDTH | 2.500 INCHES |  | FIRST STEP NOMINAL DIAMETER | 3.640 INCHES BOTH ENDS |  | FIRST STEP NOMINAL LENGTH | 0.426 INCHES SECOND END |  | FIRST STEP NOMINAL LENGTH | 0.500 INCHES FIRST END |  | HARDNESS RATING | 30.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 10.3471 DEGREES |  | HUB STYLE DESIGNATOR | 1 STEP BOTH ENDS |  | PITCH DIAMETER | 5.8080 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.577 INCHES SECOND END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.703 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 6.2890 INCHES |  | PRESSURE ANGLE | 30.0000 DEGREES |  | SPECIAL FEATURES | COUNTERBORE FIRST END,DIA. 2.380 IN. NOMINAL,DEPTH 2.703 IN. NOMINAL |  | SPLINE PITCH DIAMETER | 2.1250 INCHES NOMINAL BOTH ENDS |  | SPLINE QUANTITY | 34 BOTH ENDS |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 40 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD | 
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