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National Stock Number:
3020-00-510-6458
Federal Supply Class:
3020
National Item Identification Number:
005106458
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:
| 8512319 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FACE NOMINAL WIDTH | 0.213 INCHES | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.287 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.500 INCHES | | PITCH DIAMETER | 3.1250 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 150 | | TOOTH FORM | STANDARD |
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