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		                        | National Stock Number:
 3020-00-737-1207
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 007371207
 
 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:
 
 | 18-8-3 | 72447 | DANA COMMERCIAL VEHICLE MANUFACTURING, LLC |  | 18-8-7 | 72447 | DANA COMMERCIAL VEHICLE MANUFACTURING, LLC |  | 7371207 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | A0001027 | 22852 | SPALLA INC |  | A1027 | 34623 | AM GENERAL LLC |  | 18-8-7 | 95019 | DANA CORP SPICER TRANSMISSION DIV |  | GP7722 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES |  | A1510 | 34623 | AM GENERAL LLC |  | GP7722 | 57526 | FORD MOTOR COMPANY |  | R20837 | 83120 | PRESSED METALS OF AMERICA INC |  | X7881 | 87941 | MACHINE TOOL AND GEAR INC |  | TC722 | 98435 | MARMON GROUP INC THE ACTIVE GEAR CO DIV | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 1.190 INCHES BOTH ENDS |  | BORE STYLE | STRAIGHT SPLINE BOTH ENDS |  | COUNTERBORE NOMINAL DIAMETER | 1.6200 INCHES FIRST END |  | COUNTERBORE NOMINAL DEPTH | 0.219 INCHES FIRST END |  | END NOMINAL DIAMETER | 2.406 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.812 INCHES |  | FIRST GROOVE NOMINAL DIAMETER | 2.060 INCHES FIRST END |  | FIRST GROOVE NOMINAL WIDTH | 0.125 INCHES FIRST END |  | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM HUB |  | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM TEETH |  | HELIX ANGLE | 30.0000 DEGREES |  | HUB NOMINAL DIAMETER | 1.750 INCHES SECOND END |  | HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |  | HUB STYLE DESIGNATOR | PLAIN SECOND END |  | MATERIAL DOCUMENT AND CLASSIFICATION | ED STD 66,AISI/SAE 4027 FED STD 5TH MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 3.8572 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.312 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.437 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.438 INCHES SECOND END |  | NOMINAL OVERALL LENGTH | 1.687 INCHES |  | NOMINAL OUTSIDE DIAMETER | 4.103 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPECIAL FEATURES | FIRST END SPLINED ON OUTER PERIPHERY,15 TEETH,20 DEG PRESSURE ANGLE,2.403 IN. MIN,2.408 IN. MAX MAJOR DIA,2.075 IN. MIN,2.095 IN. MAX MINOR DIA |  | SPLINE QUANTITY | 6 BOTH ENDS |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 27 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT | 
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