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		                             National Stock Number: 3020-00-517-2898
  Federal Supply Class: 3020
  National Item Identification Number: 005172898
  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:
 | 13107-82 | 29899 | CALGON CARBON UV TECHNOLOGIES LLC |  | 13107PC82 | 29899 | CALGON CARBON UV TECHNOLOGIES LLC |  | 13573PC73 | 29899 | CALGON CARBON UV TECHNOLOGIES LLC |  | 402290PC82 | 80064 | NAVAL SHIP SYSTEMS COMMAND |   
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  Techincal Specification:
 | FACE NOMINAL WIDTH | 2.750 INCHES |  | HELIX ANGLE | 15.0000 DEGREES |  | HUB NOMINAL DIAMETER | 4.750 INCHES FIRST END |  | HUB NOMINAL DIAMETER | 4.750 INCHES SECOND END |  | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |  | KEYWAY NOMINAL WIDTH | 0.750 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-15083,GRADE 90-60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 25.0000 INCHES NOMINAL |  | MATERIAL | STEEL COMP 90-60 OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES BOTH ENDS |  | NOMINAL OVERALL LENGTH | 3.250 INCHES |  | NOMINAL OUTSIDE DIAMETER | 25.3200 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUBS |  | TEETH QUANTITY | 125 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH FORM | STANDARD |  | TOOTH DIRECTION | LEFT |   
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