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		                             National Stock Number: 3020-00-305-1963
  Federal Supply Class: 3020
  National Item Identification Number: 003051963
  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:
 | 1247159 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |  | 1247159REVA1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |   
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  Techincal Specification:
 | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | CONSTRUCTION | SOLID |  | DESIGN TYPE | SPUR FIRST GEAR |   | SPUR SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 2.542 INCHES FIRST GEAR |   | 0.7917 INCHES SECOND GEAR |  | NOMINAL OVERALL LENGTH | 0.547 INCHES |  | PRECISION CLASSIFICATION | ULTRA PRECISION CLASS 1 ALL GEARS |  | BACKLASH DESIGNATION | GRADE B ALL GEARS |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL LENGTH | 0.500 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL DIAMETER | 0.235 INCHES BETWEEN FIRST AND SECOND GEAR |   
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