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National Stock Number:
3020-00-445-4819
Federal Supply Class:
3020
National Item Identification Number:
004454819
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:
| 60773-3 | 82340 | L3HARRIS TECHNOLOGIES, INC. | | 60773-3 | 9Y580 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BACKLASH DESIGNATION | GRADE D | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.125 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.098 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.234 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.8542 INCHES | | PITCH DIAMETER | 1.8125 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 87 | | TOOTH FORM | STANDARD |
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