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		                        | National Stock Number:
 3020-00-517-1123
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005171123
 
 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:
 
 | 838436 | 24617 | GENERAL MOTORS CORP | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, WITH LIGHTENING HOLES |  | BORE NOMINAL DIAMETER | 1.270 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | END NOMINAL DIAMETER | 2.125 INCHES FIRST END |  | END NOMINAL LENGTH | 0.010 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.938 INCHES |  | FIRST STEP NOMINAL DIAMETER | 2.375 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.161 INCHES FIRST END |  | HELIX ANGLE | 23.2952 DEGREES |  | HUB NOMINAL DIAMETER | 1.812 INCHES SECOND END |  | HUB STYLE DESIGNATOR | 1 STEP FIRST END |  | HUB STYLE DESIGNATOR | PLAIN SECOND END |  | KEYWAY NOMINAL WIDTH | 0.188 INCHES BOTH ENDS |  | PITCH DIAMETER | 5.8799 INCHES NOMINAL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.744 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.160 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 6.219 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | RECESSED HUBS |  | TEETH QUANTITY | 54 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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