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National Stock Number:
3020-00-406-4787
Federal Supply Class:
3020
National Item Identification Number:
004064787
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:
| 60879-4 | 82340 | L3HARRIS TECHNOLOGIES, INC. | | 60879-4 | 9Y580 | L3HARRIS TECHNOLOGIES, INC. | | GMAB64A72P2-0-2500 | 04391 | FLUID MECHANISMS OF HAUPPAUGE, 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 | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.248 INCHES SECOND END | | HUB NOMINAL DIAMETER | 0.498 INCHES FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.052 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.234 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.1562 INCHES | | PITCH DIAMETER | 1.1250 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 72 | | TOOTH FORM | STANDARD |
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