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National Stock Number:
3020-01-182-9563
Federal Supply Class:
3020
National Item Identification Number:
011829563
Description:
GEAR,ANTIBACKLASH,SPUR
Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
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Manufacturer Information:
| 7-317221351 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | | 7-317221351 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 TEETH | | MATERIAL | STEEL COMP 303 HUB | | PITCH DIAMETER | 2.7500 INCHES NOMINAL | | STYLE DESIGNATOR | PROTRUDING HUB |
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