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		                        | National Stock Number:
 3020-00-568-2787
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005682787
 
 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:
 
 | AD164-114REV1 | 92187 | COLUMBIA SCIENTIFIC CORP | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE STYLE | TAPERED W/KEYWAY FIRST END |  | FACE NOMINAL WIDTH | 0.125 INCHES |  | HARDNESS RATING | 49.0 ROCKWELL B MINIMUM  AND 73.0 ROCKWELL B MAXIMUM OVERALL |  | HUB NOMINAL DIAMETER | 0.625 INCHES FIRST END |  | KEYWAY NOMINAL WIDTH | 0.096 INCHES FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-611,COMP B,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY 360 OVERALL |  | PITCH DIAMETER | 5.3333 INCHES NOMINAL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.228 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 5.375 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 6 OR QUALITY NUMBER 7 |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TAPER MAJOR NOMINAL DIAMETER | 0.350 INCHES FIRST END |  | TEETH QUANTITY | 256 |  | TOOTH FORM | STANDARD | 
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