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		                             National Stock Number: 3020-00-363-8824
  Federal Supply Class: 3020
  National Item Identification Number: 003638824
  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:
 | 7B6249 | 11083 | CATERPILLAR INC |   
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  Techincal Specification:
 | ATTACHMENT METHOD | MOUNTING HOLE |  | BODY RECESS NOMINAL DEPTH | 0.250 INCHES FIRST END |  | BODY STYLE | WEBBED, OFFSET, SOLID |  | BOLT HOLE CIRCLE NOMINAL DIAMETER | 14.500 INCHES AXIALLY THROUGH FLANGE |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 13.736 INCHES BOTH ENDS |  | FACE NOMINAL WIDTH | 0.937 INCHES |  | HARDNESS RATING | 48.5 ROCKWELL C MINIMUM OVERALL AND 59.2 ROCKWELL C MAXIMUM OVERALL |  | HELIX ANGLE | 15.4078 DEGREES |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | III MATERIAL | STEEL COMP 1040 OVERALL |  | PITCH DIAMETER | 16.0770 INCHES NOMINAL |  | PRESSURE ANGLE | 20.0000 DEGREES |  | PROPRIETARY CHARACTERISTICS | PACS |  | MOUNTING HOLE NOMINAL DIAMETER | 0.377 INCHES AXIALLY THROUGH BODY, FIRST END |  | MOUNTING HOLE TYPE AND QUANTITY | 8 PLAIN AXIALLY THROUGH BODY, FIRST END |  | NOMINAL OUTSIDE DIAMETER | 16.307 INCHES |  | STYLE DESIGNATOR | HUBLESS, RECESSED BODY |  | TEETH QUANTITY | 93 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | LEFT |  | TOOTH FORM | STANDARD |   
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