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National Stock Number:
3020-00-017-2587
Federal Supply Class:
3020
National Item Identification Number:
000172587
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:
| 1051959 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | FACE NOMINAL WIDTH | 0.158 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.035 INCHES SECOND END | | NOMINAL OVERALL LENGTH | 0.281 INCHES | | PITCH DIAMETER | 1.3333 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PERIPHERAL FACE, HUBLESS | | TEETH QUANTITY | 128 | | TOOTH FORM | STANDARD |
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