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National Stock Number:
3020-00-948-7108
Federal Supply Class:
3020
National Item Identification Number:
009487108
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:
| 636825 | 01147 | ARCH GEAR WORKS INC | | 636825 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | TEETH QUANTITY | 75 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 0.7500 INCHES NOMINAL | | NOMINAL OUTSIDE DIAMETER | 0.8010 INCHES | | FACE NOMINAL WIDTH | 0.083 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.187 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.156 INCHES FIRST END | | CLAMPING SURFACE NOMINAL LENGTH | 0.187 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 06481 | | DESIGN CONTROL REFERENCE | 636825 |
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