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		                             National Stock Number: 3020-00-274-6594
  Federal Supply Class: 3020
  National Item Identification Number: 002746594
  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:
 | AFB3510B | 7PZX0 | FAIRBANKS MORSE, LLC |  | AFB3510B | 82796 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE |   
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  Techincal Specification:
 | BODY STYLE | WEBBED, SOLID |  | BORE NOMINAL DIAMETER | 2.008 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 1.875 INCHES |  | HARDNESS RATING | 27.0 ROCKWELL C MINIMUM  AND 32.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 16.0000 DEGREES |  | HUB NOMINAL DIAMETER | 3.000 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 3.000 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.4990 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 8.1740 INCHES NOMINAL |  | MATERIAL | STEEL COMP 4340 OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.2036 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.375 INCHES SECOND END |  | NOMINAL OUTSIDE DIAMETER | 8.2840 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE RECESSED HUB |  | TEETH QUANTITY | 55 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STUB |   
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