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National Stock Number:
3020-00-948-6918
Federal Supply Class:
3020
National Item Identification Number:
009486918
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:
| AB64H11C144F6C | 08783 | RAYTHEON CO | | E618191 | 08783 | RAYTHEON CO | | E618191REVA | 08783 | RAYTHEON CO |
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Techincal Specification:
| ATTACHMENT METHOD | CLAMP | | BACKLASH DESIGNATION | GRADE C | | BORE NOMINAL DIAMETER | 0.241 INCHES BOTH ENDS | | BORE STYLE | PLAIN BOTH ENDS | | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END | | FACE NOMINAL WIDTH | 0.115 INCHES | | HUB STYLE DESIGNATOR | SPLIT FIRST END | | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-355 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.238 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 2.281 INCHES | | PITCH DIAMETER | 2.2500 INCHES NOMINAL | | PRECISION CLASSIFICATION | QUALITY NUMBER 11 | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUB | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | TEETH QUANTITY | 144 | | TOOTH FORM | STANDARD |
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