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National Stock Number:
3020-00-297-1609
Federal Supply Class:
3020
National Item Identification Number:
002971609
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:
| 2606808 | 06424 | ALLIANT TECHSYSTEMS OPERATIONS LLC | | MAB250-48CT2498 | 01351 | SOUTHERN GEAR & MACHINE INC |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.156 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.125 INCHES | | HUB NOMINAL DIAMETER | 0.313 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB | | MATERIAL | ALUMINUM ALLOY 2024 TEETH | | PITCH DIAMETER | 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 HUB | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.438 INCHES | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | TEETH QUANTITY | 48 | | TOOTH FORM | STANDARD |
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