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National Stock Number:
3020-00-564-9869
Federal Supply Class:
3020
National Item Identification Number:
005649869
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:
| 8171893 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| FACE NOMINAL WIDTH | 0.188 INCHES | | MATERIAL | STEEL COMP A6 OVERALL | | NOMINAL OVERALL LENGTH | 0.531 INCHES | | PITCH DIAMETER | 1.0417 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 8 | | PRESSURE ANGLE | 14.5000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 50 | | TOOTH FORM | STANDARD |
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