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National Stock Number:
3020-01-377-4253
Federal Supply Class:
3020
National Item Identification Number:
013774253
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:
| AP32R-40 | 29440 | W. M. BERG INC |
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Techincal Specification:
| BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.104 INCHES | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | HUB STYLE DESIGNATOR | PINNED FIRST END | | III MATERIAL | ALUMINUM OVERALL | | PITCH DIAMETER | 1.2500 INCHES NOMINAL | | PRESSURE ANGLE | 20.0000 DEGREES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.334 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 1.312 INCHES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 40 |
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