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National Stock Number:
3020-00-001-2062
Federal Supply Class:
3020
National Item Identification Number:
000012062
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:
| 577R646H11 | 95138 | DIXON VALVE & COUPLING COMPANY, LLC | | 577R646H11 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 610646-11 | 00141 | ROLLER BEARING CO OF AMERICA, INC |
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Techincal Specification:
| ATTACHMENT METHOD | MOUNTING HOLE | | BORE NOMINAL DIAMETER | 0.090 INCHES BOTH ENDS | | FACE NOMINAL WIDTH | 0.101 INCHES | | HUB NOMINAL DIAMETER | 0.310 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 | | MATERIAL | STEEL COMP 303 HUB | | MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.280 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.385 INCHES | | PITCH DIAMETER | 1.3881 INCHES MINIMUM AND 1.3888 INCHES MAXIMUM | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | PRESSURE ANGLE | 20.0000 DEGREES | | SPECIAL FEATURES | MOUNTING HOLES SPACED 90 DEGREES APART | | STYLE DESIGNATOR | PROTRUDING HUBS | | TEETH QUANTITY | 100 | | TOOTH FORM | STANDARD |
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