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National Stock Number:
3020-01-006-8713
Federal Supply Class:
3020
National Item Identification Number:
010068713
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:
| AP96AS80 | 29440 | W. M. BERG INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | HUB NOMINAL DIAMETER | 0.500 INCHES SECOND END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND 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 | 0.046 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.256 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.8542 INCHES | | PITCH DIAMETER | 0.8333 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 80 | | TOOTH FORM | STANDARD |
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