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		                             National Stock Number: 3020-00-289-8691
  Federal Supply Class: 3020
  National Item Identification Number: 002898691
  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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  Techincal Specification:
 | BODY STYLE | WEBBED, WITH LIGHTENING HOLES |  | BORE STYLE | TAPERED W/KEYWAY FIRST END |  | FACE NOMINAL WIDTH | 0.219 INCHES |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | HUB NOMINAL DIAMETER | 0.875 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 0.875 INCHES SECOND END |  | KEYWAY NOMINAL WIDTH | 0.0933 INCHES FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16522,CL 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.0475 INCHES SECOND END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.1720 INCHES FIRST END |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.222 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 4.060 INCHES |  | PITCH DIAMETER | 3.9960 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TAPER MAJOR NOMINAL DIAMETER | 0.350 INCHES FIRST END |  | TEETH QUANTITY | 128 |  | TOOTH FORM | STANDARD |   
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