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National Stock Number:
3020-01-189-1018
Federal Supply Class:
3020
National Item Identification Number:
011891018
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:
| 131466 | 10138 | ASTRONAUTICS CORPORATION OF AMERICA |
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Techincal Specification:
| FURNISHED ITEMS AND QUANTITY | 1 RETAINING RING | | PITCH DIAMETER | 0.4368 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 0.4583 INCHES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 42 | | SPECIAL FEATURES | STEPPED HUB ON BOTH ENDS; ONE TORSION SPRING FURNISHED |
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