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		                        | National Stock Number:
 3020-00-423-9193
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 004239193
 
 Description:
 GEAR,WORM
 
 Detail:
 A GEAR WITH TEETH ON ITS OUTER SURFACE IN THE FORM OF HELICAL THREADS.
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 Manufacturer Information:
 
 | 3B9970 | 11083 | CATERPILLAR INC | 
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 Techincal Specification:
 
 | BORE STYLE | W/ KEYWAY BOTH ENDS |  | BORE NOMINAL DIAMETER | 1.126 INCHES BOTH ENDS |  | FACE NOMINAL WIDTH | 3.003 INCHES |  | FACE TYPE | STRAIGHT |  | FEATURES PROVIDED | CASEHARDENED |  | HELIX ANGLE | 4.7667 DEGREES |  | KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS |  | III MATERIAL | STEEL OVERALL |  | PITCH DIAMETER | 3.0000 INCHES NOMINAL |  | PRESSURE ANGLE | 14.5000 DEGREES |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.750 INCHES BOTH ENDS |  | NOMINAL OUTSIDE DIAMETER | 3.498 INCHES |  | STYLE DESIGNATOR | HUBLESS |  | THREAD FORM DIRECTION | LEFT-HAND |  | THREAD FORM QUANTITY | 1 | 
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