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		                        | National Stock Number:
 3020-00-567-6947
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005676947
 
 Description:
 GEAR,SPUR
 
 Detail:
 A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
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 Manufacturer Information:
 
 | 7883 | 98889 | AEROCONTROLEX GROUP, INC. |  | A7883 | 98889 | AEROCONTROLEX GROUP, INC. | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 0.406 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | COUNTERBORE NOMINAL DIAMETER | 0.780 INCHES BOTH ENDS |  | COUNTERBORE NOMINAL DEPTH | 0.438 INCHES BOTH ENDS |  | END NOMINAL DIAMETER | 1.022 INCHES FIRST END |  | END NOMINAL LENGTH | 0.375 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.240 INCHES |  | FIRST STEP NOMINAL DIAMETER | 1.025 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.500 INCHES FIRST END |  | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM  AND 55.0 ROCKWELL C MAXIMUM HUB |  | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM  AND 55.0 ROCKWELL C MAXIMUM TEETH |  | HUB STYLE DESIGNATOR | 1 STEP FIRST END |  | KEYWAY NOMINAL WIDTH | 0.190 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 1.3080 INCHES NOMINAL |  | MATERIAL | STEEL COMP 4620 OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.390 INCHES BOTH ENDS |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.500 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 1.375 INCHES |  | NOMINAL OVERALL LENGTH | 0.740 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 42 |  | TOOTH FORM | STANDARD | 
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