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		                        | National Stock Number:
 3020-00-332-4780
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003324780
 
 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:
 
 | 607628 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 607628 | 4S7J4 | MHD-ROCKLAND INC. |  | 607628 | 56232 | LOCKHEED MARTIN CORPORATION | 
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 Techincal Specification:
 
 | ATTACHMENT METHOD | MOUNTING HOLE |  | BODY STYLE | PLAIN, SOLID |  | BORE NOMINAL DIAMETER | 3.875 INCHES FIRST END |  | BORE STYLE | W/COUNTERBORE BOTH ENDS |  | COUNTERBORE NOMINAL DIAMETER | 5.531 INCHES SECOND END |  | COUNTERBORE NOMINAL DEPTH | 0.380 INCHES SECOND END |  | END NOMINAL DIAMETER | 4.499 INCHES FIRST END |  | END NOMINAL LENGTH | 0.193 INCHES FIRST END |  | FACE NOMINAL WIDTH | 0.156 INCHES |  | FIRST STEP NOMINAL DIAMETER | 4.375 INCHES FIRST END |  | FIRST STEP NOMINAL LENGTH | 0.088 INCHES FIRST END |  | HUB STYLE DESIGNATOR | 2 STEPS FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | PITCH DIAMETER | 5.6250 INCHES NOMINAL |  | MOUNTING HOLE NOMINAL DIAMETER | 0.166 INCHES AXIALLY THROUGH BODY FIRST END |  | MOUNTING HOLE TYPE AND QUANTITY | 6 COUNTERSUNK AXIALLY THROUGH BODY FIRST END |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.505 INCHES FIRST END |  | NOMINAL OVERALL LENGTH | 0.661 INCHES |  | NOMINAL OUTSIDE DIAMETER | 5.656 INCHES |  | PRESSURE ANGLE | 14.5000 DEGREES |  | SECOND STEP NOMINAL DIAMETER | 5.312 INCHES FIRST END |  | SECOND STEP NOMINAL LENGTH | 0.124 INCHES FIRST END |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 360 |  | TOOTH FORM | STANDARD | 
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