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		                        | National Stock Number:
 3020-01-159-2221
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 011592221
 
 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:
 
 | 36B510289 | 30221 | GENERAL ELECTRIC CO ARMAMENT AND ELECTRICAL SYSTEMS DEPT ELECTRICAL SYSTEMS PRODUCTS DEPT |  | 36B510289P1 | 30221 | GENERAL ELECTRIC CO ARMAMENT AND ELECTRICAL SYSTEMS DEPT ELECTRICAL SYSTEMS PRODUCTS DEPT | 
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 Techincal Specification:
 
 | BODY STYLE | PLAIN, WITH LIGHTENING HOLES |  | BORE NOMINAL DEPTH | 1.101 INCHES BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.312 INCHES BOTH ENDS |  | BORE STYLE | PARTIAL BOTH ENDS |  | FACE NOMINAL WIDTH | 0.267 INCHES |  | HUB NOMINAL DIAMETER | 0.468 INCHES FIRST END |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 AISI/SAE 8620 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | PITCH DIAMETER | 1.8000 INCHES NOMINAL |  | MATERIAL | STEEL COMP 8620 OVERALL |  | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.878 INCHES FIRST END |  | NOMINAL OUTSIDE DIAMETER | 1.870 INCHES |  | NOMINAL OVERALL LENGTH | 1.101 INCHES |  | PRESSURE ANGLE | 20.0000 DEGREES |  | SPECIAL FEATURES | HUB END PARTIAL BORE EFFECTIVE LG0.7400 IN. MIN TO 0.7812 IN. MAX; INTERNALLY THREADED FROM HUB END TO 0.5000 IN. MIN TO 0.5625 IN. MAX-0.312-24 UNF-2B |  | STYLE DESIGNATOR | PROTRUDING HUB |  | TEETH QUANTITY | 36 |  | TOOTH FORM | STANDARD | 
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