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National Stock Number:
3020-00-682-3867
Federal Supply Class:
3020
National Item Identification Number:
006823867
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:
| 44-32324A01 | 01351 | SOUTHERN GEAR & MACHINE INC | | 44-32324A01 | 02184 | OBRIEN GEAR CO | | 44-32324A01 | 1VPW8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | 44-32324A01 | 94990 | MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | TEETH QUANTITY | 150 | | TOOTH FORM | STANDARD | | PRESSURE ANGLE | 20.0000 DEGREES | | STYLE DESIGNATOR | PROTRUDING HUBS | | PITCH DIAMETER | 3.1250 INCHES NOMINAL | | NOMINAL OVERALL LENGTH | 1.530 INCHES | | NOMINAL OUTSIDE DIAMETER | 3.1666 INCHES | | FACE NOMINAL WIDTH | 0.104 INCHES | | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.875 INCHES FIRST END | | 0.551 INCHES SECOND END | | HUB STYLE DESIGNATOR | 2 STEPS FIRST END | | 1 STEP SECOND END | | END NOMINAL LENGTH | 0.538 INCHES FIRST END | | 0.530 INCHES SECOND END | | END NOMINAL DIAMETER | 0.310 INCHES BOTH ENDS | | FIRST STEP NOMINAL LENGTH | 0.267 INCHES FIRST END | | 0.021 INCHES SECOND END | | FIRST STEP NOMINAL DIAMETER | 0.380 INCHES FIRST END | | 0.500 INCHES SECOND END | | SECOND STEP NOMINAL LENGTH | 0.070 INCHES FIRST END | | SECOND STEP NOMINAL DIAMETER | 0.880 INCHES FIRST END | | ATTACHMENT METHOD | INTERNAL RING GROOVE | | SPECIAL FEATURES | 0.280 IN.CLAMPING SURFACE LG ON BOTH HUB ENDS AND 0.060 IN.WIDE 0.298 IN. DIA GROOVES ON BOTH ENDS,0.250 IN.FROM END |
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