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National Stock Number:
3020-00-137-8016
Federal Supply Class:
3020
National Item Identification Number:
001378016
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:
| 10619 | 83942 | THE AERONAUTICAL INSTRUMENT AND RADIO COMPANY |
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Techincal Specification:
| BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | FACE NOMINAL WIDTH | 0.116 INCHES | | HUB NOMINAL DIAMETER | 0.311 INCHES SECOND END | | HUB NOMINAL DIAMETER | 0.360 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED SECOND END | | HUB STYLE DESIGNATOR | PLAIN FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.062 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.152 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.978 INCHES | | PITCH DIAMETER | 0.9573 INCHES MINIMUM AND 0.9583 INCHES MAXIMUM | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT | PASSIVATE OVERALL | | TEETH QUANTITY | 92 |
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