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		                             National Stock Number: 3020-00-517-2951
  Federal Supply Class: 3020
  National Item Identification Number: 005172951
  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:
 | 10-B-3106 1T 2 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |  | S648702 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT |  | S648702 | 79500 | WESTINGHOUSE ELECTRIC CORP |   
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  Techincal Specification:
 | BODY STYLE | PLAIN, SOLID |  | FACE NOMINAL WIDTH | 0.750 INCHES |  | KEYWAY NOMINAL WIDTH | 0.188 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS BS MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 1.8181 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL OUTSIDE DIAMETER | 1.9609 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPECIAL FEATURES | ONE END OF BORE CHAMFERED 1/8 IN. BY 45 DEG |  | STYLE DESIGNATOR | HUBLESS |  | TEETH QUANTITY | 22 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD |   
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