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National Stock Number:
3020-00-510-6474
Federal Supply Class:
3020
National Item Identification Number:
005106474
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:
| 8170964 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND | | 36.0 ROCKWELL C MAXIMUM OVERALL | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | SPUR SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 2.245 INCHES FIRST GEAR | | 9.695 INCHES SECOND GEAR | | NOMINAL OVERALL LENGTH | 1.891 INCHES | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 1.375 INCHES BOTH ENDS | | HUB NOMINAL LENGTH | 0.203 INCHES BETWEEN FIRST AND SECOND GEAR |
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