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National Stock Number:
3020-00-406-3515
Federal Supply Class:
3020
National Item Identification Number:
004063515
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:
| 60877-1 | 82340 | L3HARRIS TECHNOLOGIES, INC. | | 60877-1 | 9Y580 | L3HARRIS TECHNOLOGIES, INC. | | GAB64AP2-7 | 04391 | FLUID MECHANISMS OF HAUPPAUGE, INC. |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BACKLASH DESIGNATION | GRADE D | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.125 INCHES | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268 TEMPER T4 OR T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.071 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.264 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.969 INCHES | | SPECIAL FEATURES | 1ST END HUB HAS 2-56 UNC-2A BY 0.250 IN. LG SCREW HOLE | | PITCH DIAMETER | 1.9375 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 BODY | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CL 2,TYPE 11 FED SPEC SINGLE TREATMENT RESPONSE SPRING | | SURFACE TREATMENT | ANODIZE BODY | | SURFACE TREATMENT | CADMIUM SPRING | | TEETH QUANTITY | 124 | | TOOTH FORM | STANDARD |
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