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		                        | National Stock Number:
 3020-00-512-2999
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 005122999
 
 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:
 
 | 35390 | 00462 | GOODRICH CORPORATION DBA TRW LUCAS AEROSPACE |  | 35390 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION |  | 35390 | 3CPE0 | SAFRAN POWER USA LLC | 
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 Techincal Specification:
 
 | BACKLASH DESIGNATION | GRADE C ALL GEARS |  | BORE NOMINAL DIAMETER | 0.687 INCHES BOTH ENDS |  | BORE STYLE | PLAIN BOTH ENDS |  | CONSTRUCTION | SOLID |  | DESIGN TYPE | SPUR SECOND GEAR |  | DESIGN TYPE | SPUR FIRST GEAR |  | HUB NOMINAL LENGTH | 0.0400 INCHES FIRST END |  | HUB NOMINAL LENGTH | 0.095 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |  | HUB STYLE DESIGNATOR | PLAIN FIRST END |  | HUB NOMINAL DIAMETER | 0.937 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL DIAMETER | 0.937 INCHES FIRST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 4140 OVERALL |  | NOMINAL OUTSIDE DIAMETER | 1.1070 INCHES SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 1.8125 INCHES FIRST GEAR |  | NOMINAL OVERALL LENGTH | 0.505 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 10  OR QUALITY NUMBER 11 ALL GEARS | 
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