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National Stock Number:
3020-00-807-8795
Federal Supply Class:
3020
National Item Identification Number:
008078795
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:
| 30138-100 | 07421 | L3HARRIS INTERSTATE ELECTRONICS CORPORATION |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.111 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.057 INCHES | | HUB NOMINAL DIAMETER | 0.156 INCHES FIRST END | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.152 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.850 INCHES | | NOMINAL OVERALL LENGTH | 0.209 INCHES | | MATERIAL | ALUMINUM ALLOY OVERALL | | PITCH DIAMETER | 0.8330 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | TOOTH FORM | STANDARD | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 100 |
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