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		                        | National Stock Number:
 3020-01-033-7835
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 010337835
 
 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:
 
 | 1856090 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 303 FIRST GEAR |  |  | ALUMINUM ALLOY 2024 SECOND GEAR |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303 COND A FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |  |  | QQ-A-225/6,ALLOY 2024,T351 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |  | SURFACE TREATMENT | ANODIZE FIRST GEAR |  |  | ANODIZE SECOND GEAR |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 1 STDC1BJDAMIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR |  | CONSTRUCTION | ASSEMBLED |  | DESIGN TYPE | SPUR FIRST GEAR |  |  | SPUR SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 2.289 INCHES FOURTH GEAR |  |  | 1.039 INCHES FIFTH GEAR |  | NOMINAL OVERALL LENGTH | 0.645 INCHES |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |  | THREAD SERIES DESIGNATOR | UNC BOTH ENDS |  | NOMINAL THREAD SIZE | 0.112 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PINNED FIRST END |  | HUB NOMINAL LENGTH | 0.275 INCHES FIRST END |  |  | 0.125 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL DIAMETER | 0.500 INCHES BETWEEN FIRST AND SECOND GEAR |  | ATTACHMENT METHOD | MOUNTING HOLE |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 03956 |  | DESIGN CONTROL REFERENCE | 1856090 | 
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