3020-00-988-0686 GEAR,HELICAL Index 3020-00-988-0688 GEAR SET,HELICAL,MATCHED

National Stock Number:
3020-00-988-0687

Federal Supply Class:
3020

National Item Identification Number:
009880687

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
549-6037-00213499ROCKWELL COLLINS, INC.
549-6037-00295105ROCKWELL COLLINS, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCHROMATE OVERALL
TEETH QUANTITY60
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR
QUALITY NUMBER 11
BACKLASH DESIGNATIONGRADE C
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.2500 INCHES NOMINAL
NOMINAL OVERALL LENGTH0.347 INCHES
NOMINAL OUTSIDE DIAMETER1.292 INCHES
FACE NOMINAL WIDTH0.093 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.254 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.250 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH0.239 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODCLAMP
THE MANUFACTURERS DATA
MANUFACTURERS CODE95105
DESIGN CONTROL REFERENCE549-6037-002


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