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		                        | National Stock Number:
 3020-01-158-4611
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 011584611
 
 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:
 
 | 2D87 | 12763 | DYNALEC CORPORATION |  | 2D87 | 20049 | THE ELECTRIC TACHOMETER CORP. |  | DL-13200-1 PIECE 87 | 12763 | DYNALEC CORPORATION |  | DL-13200-1 PIECE 87 | 20049 | THE ELECTRIC TACHOMETER CORP. | 
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 Techincal Specification:
 
 | HELIX ANGLE | 30.0000 DEGREES |  | MATERIAL | PLASTIC PHENOLIC OVERALL |  | PITCH DIAMETER | 2.1290 INCHES NOMINAL |  | PRESSURE ANGLE | 20.0000 DEGREES |  | TEETH QUANTITY | 59 |  | TOOTH DIRECTION | RIGHT | 
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