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National Stock Number:
3020-00-628-0238
Federal Supply Class:
3020
National Item Identification Number:
006280238
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:
| 77C708688P012 | 03538 | LOCKHEED MARTIN CORPORATION | | 77C708688P12 | 03538 | LOCKHEED MARTIN CORPORATION | | AB250-75-250/SS-P2 | 01351 | SOUTHERN GEAR & MACHINE INC | | AB250-75-250SSP | 01351 | SOUTHERN GEAR & MACHINE INC |
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Techincal Specification:
| BACKLASH DESIGNATION | GRADE D | | FACE NOMINAL WIDTH | 0.125 INCHES | | NOMINAL OUTSIDE DIAMETER | 1.2031 INCHES | | NOMINAL OVERALL LENGTH | 0.375 INCHES | | PITCH DIAMETER | 1.1718 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 75 | | TOOTH FORM | STANDARD |
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