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		                             National Stock Number: 3020-00-647-1311
  Federal Supply Class: 3020
  National Item Identification Number: 006471311
  Description: GEAR,WORM
  Detail: A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.
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  Manufacturer Information:
 | 9059121 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |   
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  Techincal Specification:
 | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE TYPE | STRAIGHT |  | FACE NOMINAL WIDTH | 0.212 INCHES |  | HELIX ANGLE | 1.7831 DEGREES |  | HUB NOMINAL DIAMETER | 0.458 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 303 OVERALL |  | PITCH DIAMETER | 0.5000 INCHES NOMINAL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.257 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.529 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | THREAD FORM DIRECTION | RIGHT-HAND |  | THREAD FORM QUANTITY | 1 |   
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