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		                        | National Stock Number:
 3020-00-572-1927
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005721927
 
 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:
 
 | 8605325 | 19200 | US ARMY ARDEC RDECOM | 
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 Techincal Specification:
 
 | ATTACHMENT METHOD | MOUNTING HOLE |  | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.2502 INCHES BOTH ENDS |  | FACE NOMINAL WIDTH | 0.156 INCHES |  | HUB NOMINAL DIAMETER | 0.625 INCHES FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 1.0206 INCHES NOMINAL |  | MATERIAL | STEEL COMP 416 OVERALL |  | MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH HUB FIRST END |  | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.188 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 2.0518 INCHES |  | NOMINAL OVERALL LENGTH | 0.344 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | TEETH QUANTITY | 64 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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