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		                        | National Stock Number:
 3020-01-058-5714
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 010585714
 
 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:
 
 | 209-040-031-1 | 97499 | BELL TEXTRON INC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 4.695 INCHES BOTH ENDS |  | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |  | FACE NOMINAL WIDTH | 1.451 INCHES |  | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM  AND 44.0 ROCKWELL C MAXIMUM OVERALL |  | HUB NOMINAL DIAMETER | 5.140 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | PITCH DIAMETER | 6.7059 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.209 INCHES SECOND END |  | NOMINAL OUTSIDE DIAMETER | 6.881 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPLINE PITCH DIAMETER | 4.5000 INCHES NOMINAL BOTH ENDS |  | SPLINE QUANTITY | 45 BOTH ENDS |  | STYLE DESIGNATOR | ONE FLUSH HUB, ONE RECESSED HUB |  | TEETH QUANTITY | 57 |  | TOOTH FORM | STANDARD | 
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