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		                        | National Stock Number:
 3020-00-200-2131
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 002002131
 
 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:
 
 | 008-2932 | 95685 | MARATHON LE TOURNEAU CO |  | 231822 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC |  | 86FT47 | 45152 | OSHKOSH CORP |  | 5861 | 63734 | KAITLIN CORP |  | 395422 | 65282 | WHITE MOTOR CORP |  | 5861 | 73460 | EATON CORP TRANSMISSION DIV |  | H2932 | 35311 | AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV |  | BB22154 | 56442 | DIAMOND REO TRUCK CO |  | H2932 | 95685 | MARATHON LE TOURNEAU CO | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 2.485 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 1.750 INCHES |  | HELIX ANGLE | 23.4167 DEGREES |  | HUB NOMINAL DIAMETER | 3.250 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 3.250 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.378 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 6.0210 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8620H OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.427 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.375 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 2.123 INCHES |  | NOMINAL OUTSIDE DIAMETER | 6.4240 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |  | TEETH QUANTITY | 37 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STUB | 
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