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:
ATTACHMENT METHODCLAMP
BACKLASH DESIGNATIONGRADE C
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.187 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
CLAMPING SURFACE NOMINAL LENGTH0.239 INCHES FIRST END
FACE NOMINAL WIDTH0.093 INCHES
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.250 INCHES FIRST 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 END0.254 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.292 INCHES
NOMINAL OVERALL LENGTH0.347 INCHES
PITCH DIAMETER1.2500 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENTCHROMATE OVERALL
TEETH QUANTITY60
TOOTH FORMSTANDARD


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