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National Stock Number:
3020-00-866-9870
Federal Supply Class:
3020
National Item Identification Number:
008669870
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:
| 188825-000 | 81413 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.165 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.177 INCHES | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,CONDA MIL SPEC SINGLE MATERIAL RESPONSE HUB | | PITCH DIAMETER | 1.3542 INCHES NOMINAL | | MATERIAL | STEEL COMP 303S HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.165 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.375 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 FED STD SINGLE TREATMENT RESPONSE HUB | | SURFACE TREATMENT | PASSIVATE HUB | | TEETH QUANTITY | 130 | | TOOTH FORM | STUB |
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