3020-01-334-2133 GEAR CLUSTER Index 2520-01-334-2135 COOLER,FLUID,TRANSMISSION

National Stock Number:
3020-01-334-2134

Federal Supply Class:
3020

National Item Identification Number:
013342134

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:
SC3020-004812115DRS ICAS, LLC
SC3020-0048-112115DRS ICAS, LLC
SXABC25-20023266SECS, INC.


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE NOMINAL DIAMETER0.125 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.221 INCHES FIRST END
FACE NOMINAL WIDTH0.104 INCHES
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.187 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,COND T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 303 HUB
MATERIALSTEEL COMP 303 SPRING
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.221 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER3.155 INCHES
PITCH DIAMETER3.1250 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
SURFACE TREATMENTPASSIVATE SPRING
TEETH QUANTITY200


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