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National Stock Number:
3020-01-346-9893
Federal Supply Class:
3020
National Item Identification Number:
013469893
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:
| 990016-639 | 14482 | WATKINS-JOHNSON CO | | AC48V-150 | 29440 | W. M. BERG INC |
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Techincal Specification:
| ATTACHMENT METHOD | SETSCREWS | | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.250 INCHES FIRST END | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 3.167 INCHES | | PITCH DIAMETER | 3.1250 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 150 |
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