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		                        | National Stock Number:
 3020-00-331-3143
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003313143
 
 Description:
 GEAR,WORM WHEEL
 
 Detail:
 A GEAR, CYLINDRICAL IN FORM, WITH SPIRAL TEETH DESIGNED TO MESH WITH THE THREAD FORMS OF A GEAR (1), WORM. SEE ALSO GEAR, ANTIBACKLASH, WORM WHEEL.
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 Manufacturer Information:
 
 | 8192214 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |  | G1022 | 71041 | ALTRA INDUSTRIAL MOTION CORP. | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE TYPE | CONCAVE |  | FACE NOMINAL WIDTH | 0.156 INCHES |  | HELIX ANGLE | 3.5833 DEGREES |  | HUB NOMINAL DIAMETER | 0.625 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | MATERIAL | COPPER ALLOY OVERALL |  | PITCH DIAMETER | 1.6670 INCHES NOMINAL |  | MATING THREAD LEAD QUANTITY | 1 |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 1.7510 INCHES |  | NOMINAL OVERALL LENGTH | 0.469 INCHES |  | PRESSURE ANGLE | 14.5833 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 80 |  | THROAT NOMINAL RADIUS | 0.333 INCHES |  | TOOTH DIRECTION | RIGHT | 
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