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		                        | National Stock Number:
 3020-00-980-2258
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 009802258
 
 Description:
 GEAR,HELICAL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
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 Manufacturer Information:
 
 | 367272R1 | 29930 | INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV |  | 367272R1 | 31007 | NAVISTAR INTL CORP | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 2.000 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 1.250 INCHES |  | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM  AND 32.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 12.2557 DEGREES |  | KEYWAY NOMINAL WIDTH | 0.189 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE  AND AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 1137 OVERALL |  | PITCH DIAMETER | 3.1920 INCHES NOMINAL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.098 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 3.3920 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | HUBLESS |  | TEETH QUANTITY | 27 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT | 
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