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National Stock Number:
3020-00-255-6271
Federal Supply Class:
3020
National Item Identification Number:
002556271
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:
| 1340063-126 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | L310014066 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP |
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Techincal Specification:
| BACKLASH DESIGNATION | GRADE C | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.263 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.062 INCHES | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.374 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | PITCH DIAMETER | 1.3125 INCHES NOMINAL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.263 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.332 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 126 | | TOOTH FORM | STANDARD |
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