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National Stock Number:
3020-00-399-9937
Federal Supply Class:
3020
National Item Identification Number:
003999937
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:
| 611444 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| CONSTRUCTION | SOLID | | COUNTERBORE NOMINAL DEPTH | 0.563 INCHES BOTH ENDS | | COUNTERBORE NOMINAL DIAMETER | 1.850 INCHES BOTH ENDS | | DESIGN TYPE | SPUR FIRST GEAR | | DESIGN TYPE | SPUR SECOND GEAR | | HUB NOMINAL DIAMETER | 2.188 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL LENGTH | 0.187 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,ALLOY NO.2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 1.999 INCHES | | NOMINAL OUTSIDE DIAMETER | 2.538 INCHES SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 3.391 INCHES FIRST GEAR | | BORE STYLE | W/COUNTERBORE BOTH ENDS | | BORE NOMINAL DIAMETER | 1.688 INCHES BOTH ENDS |
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