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National Stock Number:
3020-00-651-5974
Federal Supply Class:
3020
National Item Identification Number:
006515974
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:
| 542-1439-002 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM AND | | STEEL CORROSION RESISTING BODY | | STEEL CORROSION RESISTING HUB | | SURFACE TREATMENT | ANODIZE AND | | PASSIVATE BODY | | PASSIVATE HUB | | TEETH QUANTITY | 132 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PERIPHERAL FACE, HUBLESS | | PITCH DIAMETER | 2.7500 INCHES NOMINAL | | NOMINAL OVERALL LENGTH | 0.500 INCHES | | NOMINAL OUTSIDE DIAMETER | 2.7917 INCHES | | FACE NOMINAL WIDTH | 0.062 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.421 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS | | COUNTERBORE NOMINAL DEPTH | 0.031 INCHES SECOND END | | COUNTERBORE NOMINAL DIAMETER | 0.468 INCHES SECOND END | | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS | | HUB NOMINAL DIAMETER | 0.562 INCHES SECOND END |
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