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		                        | National Stock Number:
 3020-00-675-7042
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 006757042
 
 Description:
 GEAR CLUSTER
 
 Detail:
 A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.
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 Manufacturer Information:
 
 | 8632210 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 11,1/2H FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |  |  | QQ-B-613,COMP 11 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |  |  | QQ-B-626,COMP 11,1/2H FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |  | CONSTRUCTION | ASSEMBLED |  | DESIGN TYPE | SPUR FIRST GEAR |  |  | SPUR SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 1.625 INCHES FIRST GEAR |  |  | 0.665 INCHES SECOND GEAR |  | NOMINAL OVERALL LENGTH | 0.531 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 8 ALL GEARS |  | BACKLASH DESIGNATION | GRADE D ALL GEARS |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | 1 STEP FIRST END |  |  | PLAIN SECOND END |  | HUB NOMINAL LENGTH | 0.0830 INCHES FIRST END |  |  | 0.015 INCHES SECOND END |  | HUB NOMINAL DIAMETER | 0.281 INCHES BOTH ENDS |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 18876 |  | DESIGN CONTROL REFERENCE | 8632210 | 
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