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		                             National Stock Number: 3020-00-283-4987
  Federal Supply Class: 3020
  National Item Identification Number: 002834987
  Description: GEAR,SPUR
  Detail: A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION. 
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  Manufacturer Information:
 | 699157 | 0ZTJ5 | AERO PRECISION INDUSTRIES LLC |  | 699157 | 99167 | HAMILTON SUNDSTRAND CORPORATION |   
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  Techincal Specification:
 | BACKLASH DESIGNATION | GRADE A |  | BODY STYLE | WEBBED, WITH LIGHTENING HOLES |  | BORE NOMINAL DIAMETER | 0.437 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 0.125 INCHES |  | HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM  AND 915.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |  | HUB NOMINAL DIAMETER | 0.719 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.068 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7493 MIL STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 1.8990 INCHES MINIMUM AND 1.9000 INCHES MAXIMUM |  | MATERIAL | STEEL COMP 4617 OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.269 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 1.997 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 38 |  | TOOTH FORM | STANDARD |   
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