6105-00-682-3866 MOTOR,ALTERNATING CURRENT Index 3040-00-682-3869 SHAFT,SHOULDERED

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.


Manufacturer Information:
44-32324A0101351SOUTHERN GEAR & MACHINE INC
44-32324A0102184OBRIEN GEAR CO
44-32324A011VPW8GENERAL DYNAMICS MISSION SYSTEMS, INC.
44-32324A0194990MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP


Techincal Specification:
ATTACHMENT METHODINTERNAL RING GROOVE
END NOMINAL DIAMETER0.310 INCHES BOTH ENDS
END NOMINAL LENGTH0.530 INCHES SECOND END
END NOMINAL LENGTH0.538 INCHES FIRST END
FACE NOMINAL WIDTH0.104 INCHES
FIRST STEP NOMINAL LENGTH0.267 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER0.380 INCHES FIRST END
FIRST STEP NOMINAL DIAMETER0.500 INCHES SECOND END
FIRST STEP NOMINAL LENGTH0.021 INCHES SECOND END
HUB STYLE DESIGNATOR2 STEPS FIRST END
HUB STYLE DESIGNATOR1 STEP SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.551 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.875 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.1666 INCHES
NOMINAL OVERALL LENGTH1.530 INCHES
SPECIAL FEATURES0.280 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
PITCH DIAMETER3.1250 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SECOND STEP NOMINAL DIAMETER0.880 INCHES FIRST END
SECOND STEP NOMINAL LENGTH0.070 INCHES FIRST END
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
TEETH QUANTITY150
TOOTH FORMSTANDARD


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