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National Stock Number:
3020-00-412-5144
Federal Supply Class:
3020
National Item Identification Number:
004125144
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:
| 65351-11509-103 | 78286 | SIKORSKY AIRCRAFT CORPORATION | | 65351-11509-103 | 93828 | IGW SYSTEMS INC |
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Techincal Specification:
| MATERIAL | STEEL COMP E9310 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6265,NORMALIZED AND TEMPERED ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND | | 64.0 ROCKWELL C MAXIMUM TEETH | | CONSTRUCTION | SOLID | | DESIGN TYPE | SPUR FIRST GEAR | | SPUR SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 11.820 INCHES FIRST GEAR | | 11.697 INCHES SECOND GEAR | | NOMINAL OVERALL LENGTH | 6.880 INCHES | | BACKLASH DESIGNATION | GRADE A ALL GEARS | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 9.880 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | 3 STEPS BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL LENGTH | 0.570 INCHES FIRST END | | 2.370 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL DIAMETER | 10.180 INCHES FIRST END | | 10.500 INCHES BETWEEN FIRST AND SECOND GEAR | | SPECIAL FEATURES | TWO GROOVES ON BORE DIMENSION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65351-11509-103 |
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