6240-00-987-5464 LAMP,INCANDESCENT Index 3040-00-987-5466 SHAFT,STRAIGHT

National Stock Number:
3020-00-987-5465

Federal Supply Class:
3020

National Item Identification Number:
009875465

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:
548-8749-00313499ROCKWELL COLLINS, INC.


Techincal Specification:
BORE NOMINAL DIAMETER0.190 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER0.312 INCHES FIRST END
END NOMINAL LENGTH0.031 INCHES FIRST END
FACE NOMINAL WIDTH0.250 INCHES
FIRST STEP NOMINAL DIAMETER0.500 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.156 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL DIAMETER0.312 INCHES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALALUMINUM ALLOY 2024 HUB
MATERIALALUMINUM ALLOY 2024 TEETH
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.062 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.187 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.625 INCHES
PITCH DIAMETER1.5833 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
TEETH QUANTITY76
TOOTH FORMSTANDARD


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