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		                             National Stock Number: 3020-00-555-7100
  Federal Supply Class: 3020
  National Item Identification Number: 005557100
  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:
 | 0461D0031 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |  | 413960-2 | 96214 | RAYTHEON COMPANY |  | AD3-20 | 00141 | ROLLER BEARING CO OF AMERICA, INC |  | H48821L20 | 29440 | W. M. BERG INC |   
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  Techincal Specification:
 | BODY STYLE | PLAIN, SOLID |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |  | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW |  | FACE NOMINAL WIDTH | 0.187 INCHES |  | HELIX ANGLE | 45.0000 DEGREES |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PINNED FIRST END |  | III MATERIAL | STEEL COMP 303  AND STEEL COMP 303SE OVERALL |  | PITCH DIAMETER | 0.5881 INCHES MINIMUM AND 0.5892 INCHES MAXIMUM |  | PRESSURE ANGLE | 20.0000 DEGREES |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.6300 INCHES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | TEETH QUANTITY | 20 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | LEFT |  | TOOTH FORM | STANDARD |   
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