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		                        | National Stock Number:
 3020-00-568-8309
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005688309
 
 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:
 
 | 8171447 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 416 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | CONSTRUCTION | SOLID |  | DESIGN TYPE | SPUR FIRST GEAR |  |  | SPUR SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 1.3100 INCHES FIRST GEAR |  |  | 1.2890 INCHES SECOND GEAR |  | NOMINAL OVERALL LENGTH | 1.000 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 13 OR |  |  | QUALITY NUMBER 14 ALL GEARS |  | HUB STYLE DESIGNATOR | 2 STEPS BOTH ENDS |  | HUB NOMINAL LENGTH | 0.1720 INCHES FIRST END |  |  | 0.1720 INCHES SECOND END |  |  | 0.172 INCHES BETWEEN FIRST AND SECOND GEAR |  |  | 0.2656 INCHES BETWEEN SECOND AND THIRD GEAR | 
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