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		                        | National Stock Number:
 3020-00-197-5101
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 001975101
 
 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:
 
 | EE376 | 28298 | SMITH AND SMITH AIRCRAFT CO | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | FACE NOMINAL WIDTH | 0.130 INCHES |  | HELIX ANGLE | 2.7986 DEGREES |  | HUB NOMINAL DIAMETER | 0.350 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PINNED FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6946 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY 630 OVERALL |  | PITCH DIAMETER | 0.4062 INCHES NOMINAL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.120 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.437 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 26 |  | TEETH TYPE | SINGLE HELIX |  | TOOTH DIRECTION | RIGHT |  | TOOTH FORM | STANDARD | 
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