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National Stock Number:
3020-00-675-3710
Federal Supply Class:
3020
National Item Identification Number:
006753710
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:
| 913B749P1 | 24446 | GENERAL ELECTRIC COMPANY | | 913B749P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 BODY | | STEEL COMP 303 HUB | | ALUMINUM ALLOY 2024 TEETH | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE BODY | | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE HUB | | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE TEETH | | TEETH QUANTITY | 116 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | PRECISION CLASSIFICATION | QUALITY NUMBER 12 | | STYLE DESIGNATOR | PROTRUDING HUB | | PITCH DIAMETER | 1.8125 INCHES NOMINAL | | NOMINAL OVERALL LENGTH | 0.438 INCHES | | NOMINAL OUTSIDE DIAMETER | 1.841 INCHES | | FACE NOMINAL WIDTH | 0.120 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.308 INCHES FIRST END | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END | | CLAMPING SURFACE NOMINAL LENGTH | 0.118 INCHES FIRST END | | ATTACHMENT METHOD | CLAMP | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 89954 | | DESIGN CONTROL REFERENCE | 913B749P1 |
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