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		                             National Stock Number: 3020-00-247-9005
  Federal Supply Class: 3020
  National Item Identification Number: 002479005
  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:
 | 3232734 | 55380 | HATCH & KIRK, INC. |  | 3232734 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |   
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  Techincal Specification:
 | BODY STYLE | WEBBED, SOLID |  | FACE NOMINAL WIDTH | 2.000 INCHES |  | HARDNESS RATING | 10.0 ROCKWELL C MINIMUM  AND 13.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 25.8167 DEGREES |  | HUB NOMINAL DIAMETER | 4.000 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 4.000 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.625 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 10.6250 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.000 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 10.8730 INCHES |  | NOMINAL OVERALL LENGTH | 3.000 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | SPECIAL FEATURES | FIRST HUB END CHAMFERED 1/8 IN. DEEP 1/8 IN. RADIUS |  | STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |  | TEETH QUANTITY | 85 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT |   
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