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		                             National Stock Number: 3020-00-262-8933
  Federal Supply Class: 3020
  National Item Identification Number: 002628933
  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:
 | 3239282 | 55380 | HATCH & KIRK, INC. |  | 3239282 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |  | 3303120 | 55380 | HATCH & KIRK, INC. |  | 3303120 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |   
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  Techincal Specification:
 | BODY STYLE | PLAIN, SOLID |  | FACE NOMINAL WIDTH | 2.812 INCHES |  | HARDNESS RATING | 61.0 ROCKWELL C NOMINAL HUB |  | HARDNESS RATING | 61.0 ROCKWELL C NOMINAL TEETH |  | HELIX ANGLE | 10.0000 DEGREES |  | HUB NOMINAL DIAMETER | 2.6208 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-869,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 135M OVERALL |  | PITCH DIAMETER | 4.2500 INCHES NOMINAL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.531 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 4.7450 INCHES |  | PRESSURE ANGLE | 28.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 17 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT |   
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