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		                        | National Stock Number:
 3020-00-200-2103
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002002103
 
 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:
 
 | 868837 | 12204 | DAIMLER CHRYSLER |  | 868837 | 93334 | ATWOOD FENCE CO INC | 
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 Techincal Specification:
 
 | BACKLASH DESIGNATION | GRADE A |  | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 1.999 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 1.688 INCHES |  | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM  AND 30.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 32.6079 DEGREES |  | HUB NOMINAL DIAMETER | 2.625 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | KEYWAY NOMINAL WIDTH | 0.314 INCHES BOTH ENDS |  | MATERIAL | IRON CAST OVERALL |  | PITCH DIAMETER | 3.5833 INCHES NOMINAL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.155 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 3.791 INCHES |  | PRESSURE ANGLE | 17.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 27 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT | 
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