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		                             National Stock Number: 3020-00-237-1051
  Federal Supply Class: 3020
  National Item Identification Number: 002371051
  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:
 | A40244 | 12511 | SIMMONDS PRECISION PRODUCTS INC |   
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  Techincal Specification:
 | MATERIAL | STEEL COMP 416 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | CONSTRUCTION | SOLID |  | DESIGN TYPE | SPUR FIRST GEAR |   | SPUR SECOND GEAR |  | NOMINAL OVERALL LENGTH | 0.555 INCHES |  | PRECISION CLASSIFICATION | QUALITY NUMBER 10 FIRST GEAR |  | BORE STYLE | W/COUNTERBORE BOTH ENDS |  | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |  | COUNTERBORE NOMINAL DEPTH | 0.035 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | PLAIN SECOND END |  | HUB NOMINAL LENGTH | 0.145 INCHES FIRST END |   | 0.130 INCHES SECOND END |   | 0.050 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL DIAMETER | 0.1248 INCHES BETWEEN SECOND AND THIRD GEAR |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 12511 |  | DESIGN CONTROL REFERENCE | A40244 |   
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