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		                        | National Stock Number:
 3020-00-474-2802
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 004742802
 
 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:
 
 | 51537 | 86831 | SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC | 
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 Techincal Specification:
 
 | BODY STYLE | WEBBED, OFFSET, SOLID |  | BORE NOMINAL DIAMETER | 0.189 INCHES BOTH ENDS |  | BORE STYLE | W/ KEYWAY BOTH ENDS |  | COUNTERBORE NOMINAL DIAMETER | 0.380 INCHES SECOND END |  | COUNTERBORE NOMINAL DEPTH | 0.047 INCHES SECOND END |  | END NOMINAL DIAMETER | 0.313 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.094 INCHES |  | FIRST GROOVE NOMINAL DIAMETER | 0.290 INCHES FIRST END |  | FIRST GROOVE NOMINAL WIDTH | 0.028 INCHES FIRST END |  | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM  AND 30.0 ROCKWELL C MAXIMUM OVERALL |  | HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |  | KEYWAY NOMINAL WIDTH | 0.063 INCHES BOTH ENDS |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE E4340H FED STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 0.7500 INCHES NOMINAL |  | MATERIAL | STEEL COMP E4340H OVERALL |  | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.031 INCHES BOTH ENDS |  | NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.031 INCHES FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 0.781 INCHES |  | NOMINAL OVERALL LENGTH | 0.375 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |  | TEETH QUANTITY | 48 |  | TOOTH FORM | STANDARD | 
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