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		                        | National Stock Number:
 3020-00-676-6957
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 006766957
 
 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:
 
 | 151134 | 57712 | TELEMECHANICS INC |  | 151134 | 64959 | AMERICAN TELEPHONE AND TELEGRAPH CO |  | 151134 | 70408 | AT AND T CORP |  | N17T350014-439 | 99993 | DEPARTMENT OF THE NAVY | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.3750 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE NOMINAL WIDTH | 0.500 INCHES |  | HELIX ANGLE | 22.5000 DEGREES |  | HUB NOMINAL DIAMETER | 0.531 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PINNED FIRST END |  | PITCH DIAMETER | 0.7656 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | MOUNTING HOLE NOMINAL DIAMETER | 0.141 INCHES TRANSVERSELY THROUGH HUB FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.563 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.8437 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 20 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT | 
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