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		                        | National Stock Number:
 3020-00-311-8709
 
 Federal Supply Class:
 3020
 
 National Item Identification Number:
 003118709
 
 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:
 
 | 01770-0067 | 79343 | ASRC FEDERAL FACILITIES LOGISTICS, LLC |  | 01770-0067 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 8620 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |  |  | AISI/SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |  |  | 63.0 ROCKWELL C MAXIMUM OVERALL |  | CONSTRUCTION | SOLID |  | DESIGN TYPE | SPUR FIRST GEAR |  |  | SPUR SECOND GEAR |  | NOMINAL OUTSIDE DIAMETER | 3.245 INCHES FIRST GEAR |  |  | 3.855 INCHES SECOND GEAR |  | NOMINAL OVERALL LENGTH | 2.844 INCHES |  | BORE STYLE | PLAIN BOTH ENDS |  | BORE NOMINAL DIAMETER | 1.253 INCHES BOTH ENDS |  | HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |  |  | PLAIN BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL LENGTH | 0.500 INCHES FIRST END |  |  | 0.188 INCHES BETWEEN FIRST AND SECOND GEAR |  | HUB NOMINAL DIAMETER | 2.250 INCHES FIRST END |  |  | 2.562 INCHES BETWEEN FIRST AND SECOND GEAR |  | FURNISHED ITEMS AND QUANTITY | 1 EXTERNALLY LUBRICATED BEARING |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 79343 |  | DESIGN CONTROL REFERENCE | 01770-0067 | 
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