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National Stock Number:
3020-01-379-3058
Federal Supply Class:
3020
National Item Identification Number:
013793058
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:
| 211051960 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 561-6404325-149 | 53711 | NAVAL SEA SYSTEMS COMMAND | | AP64CS-40 | 29440 | W. M. BERG INC | | APG-6786-40 | 84233 | ATLAS CHAIN CO |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END | | HUB NOMINAL DIAMETER | 0.500 INCHES SECOND END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | HUB STYLE DESIGNATOR | PLAIN SECOND END | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.046 INCHES SECOND END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.288 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 0.656 INCHES | | PITCH DIAMETER | 0.6250 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 10 | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 40 |
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