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		                             National Stock Number: 3020-00-251-0869
  Federal Supply Class: 3020
  National Item Identification Number: 002510869
  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:
 | 33514A | 50024 | COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE FM/ALCO |  | 33514A | 7PZX0 | FAIRBANKS MORSE, LLC |  | BB61S61-0874PC2 | 80064 | NAVAL SHIP SYSTEMS COMMAND |   
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  Techincal Specification:
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 3.997 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | FACE NOMINAL WIDTH | 2.500 INCHES |  | HUB NOMINAL DIAMETER | 5.562 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | KEYWAY NOMINAL WIDTH | 0.746 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS AC MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 6.1936 INCHES NOMINAL |  | MATERIAL | STEEL OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 2.264 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.313 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 3.812 INCHES |  | NOMINAL OUTSIDE DIAMETER | 6.5260 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 36 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD |   
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