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National Stock Number:
3020-00-589-8211
Federal Supply Class:
3020
National Item Identification Number:
005898211
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:
| 9169313 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.187 INCHES | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | HUB STYLE DESIGNATOR | SPLIT SECOND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.157 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 2.1570 INCHES | | NOMINAL OVERALL LENGTH | 0.616 INCHES | | PITCH DIAMETER | 2.1250 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 102 | | TOOTH FORM | STANDARD |
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