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		                             National Stock Number: 3020-00-972-2641
  Federal Supply Class: 3020
  National Item Identification Number: 009722641
  Description: GEAR,WORM
  Detail: A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.
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  Manufacturer Information:
 | 10876360 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | 3004732 | 61465 | GARWOOD/FELLER INC GARWOOD WINCH DIV |  | 3020009722641 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |   
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  Techincal Specification:
 | BORE NOMINAL DIAMETER | 2.001 INCHES BOTH ENDS |  | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |  | FACE NOMINAL WIDTH | 4.130 INCHES |  | FACE TYPE | STRAIGHT |  | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM  AND 63.0 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 24.9500 DEGREES |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66AISI/SAE8620H FED STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 3.2160 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8620H OVERALL |  | NOMINAL OUTSIDE DIAMETER | 3.775 INCHES |  | PRESSURE ANGLE | 27.5000 DEGREES |  | SPLINE PITCH DIAMETER | 1.8750 INCHES NOMINAL BOTH ENDS |  | SPLINE QUANTITY | 15 BOTH ENDS |  | STYLE DESIGNATOR | HUBLESS |  | THREAD FORM DIRECTION | RIGHT-HAND |  | THREAD FORM QUANTITY | 1 |   
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