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National Stock Number:
3020-01-205-8786
Federal Supply Class:
3020
National Item Identification Number:
012058786
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:
| 912074 | 49956 | RAYTHEON COMPANY | | 912074-1 | 3B150 | RAYTHEON COMPANY | | 912074-1 | 49956 | RAYTHEON COMPANY |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.2408 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.239 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.188 INCHES | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.239 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 2.583 INCHES | | PITCH DIAMETER | 2.5000 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 60 | | TOOTH FORM | STANDARD |
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