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National Stock Number:
3020-01-182-7643
Federal Supply Class:
3020
National Item Identification Number:
011827643
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:
| 387-3466 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 387-3466 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| DESIGN TYPE | SPUR ALL GEARS | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DEPTH | 78.0 MILLIMETERS BOTH ENDS | | BORE NOMINAL DIAMETER | 15.0 MILLIMETERS BOTH ENDS | | CONSTRUCTION | SOLID | | HARDNESS RATING | 50.0 ROCKWELL C MINIMUM OVERALL AND 53.0 ROCKWELL C MAXIMUM OVERALL | | HUB NOMINAL LENGTH | 12.0 MILLIMETERS BOTH ENDS | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | III MATERIAL | STEEL COMP 4340 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL OUTSIDE DIAMETER | 64.0 MILLIMETERS SECOND GEAR | | NOMINAL OVERALL LENGTH | 78.0 MILLIMETERS | | SPECIAL FEATURES | DIA OF 2ND GEAR 32.0MM | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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