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		                        | National Stock Number:
 3020-00-331-7690
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003317690
 
 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:
 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 0.875 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | END NOMINAL DIAMETER | 1.375 INCHES FIRST END |  | END NOMINAL LENGTH | 0.312 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.813 INCHES |  | FIRST STEP NOMINAL DIAMETER | 1.750 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.125 INCHES FIRST END |  | HELIX ANGLE | 22.6198 DEGREES |  | HUB NOMINAL DIAMETER | 1.375 INCHES SECOND END |  | HUB STYLE DESIGNATOR | 1 STEP FIRST END |  | HUB STYLE DESIGNATOR | PLAIN SECOND END |  | KEYWAY NOMINAL WIDTH | 0.187 INCHES BOTH ENDS |  | PITCH DIAMETER | 2.7080 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.529 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.063 INCHES SECOND END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.438 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 1.313 INCHES |  | NOMINAL OUTSIDE DIAMETER | 2.950 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 20 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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