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		                        | National Stock Number:
 3020-00-739-4570
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 007394570
 
 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:
 
 | 204-040-111-7 | 97499 | BELL TEXTRON INC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | BORE STYLE | STRAIGHT SPLINE BOTH ENDS |  | COUNTERBORE NOMINAL DIAMETER | 1.500 INCHES FIRST END |  | COUNTERBORE NOMINAL DEPTH | 0.185 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.448 INCHES |  | HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM  AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH |  | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM  AND 41.0 ROCKWELL C MAXIMUM HUB |  | HUB NOMINAL DIAMETER | 1.540 INCHES SECOND END |  | HUB NOMINAL DIAMETER | 1.690 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | PITCH DIAMETER | 4.1000 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.362 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 0.810 INCHES |  | NOMINAL OUTSIDE DIAMETER | 4.298 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPLINE QUANTITY | 24 BOTH ENDS |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |  | TEETH QUANTITY | 41 |  | TOOTH FORM | STANDARD | 
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