3020-00-902-4220 GEAR,HELICAL Index 3020-00-902-4222 GEAR,HELICAL

National Stock Number:
3020-00-902-4221

Federal Supply Class:
3020

National Item Identification Number:
009024221

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
141454-0435351GE AVIATION SYSTEMS LLC


Techincal Specification:
ATTACHMENT METHODCLAMP
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER0.313 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER0.374 INCHES FIRST END
END NOMINAL LENGTH0.140 INCHES FIRST END
FACE NOMINAL WIDTH0.061 INCHES
FIRST STEP NOMINAL DIAMETER0.540 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.032 INCHES FIRST END
HELIX ANGLE3.0000 DEGREES
HUB NOMINAL DIAMETER0.415 INCHES SECOND END
HUB STYLE DESIGNATOR1 STEP FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COND A MIL SPEC ALL MATERIAL RESPONSES HUB
MATERIALPLASTIC ACETAL TEETH
MATERIALSTEEL COMP 302 OR STEEL COMP 303S OR STEEL COMP 303SE HUB
PITCH DIAMETER0.8032 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.015 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.172 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER0.824 INCHES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY77
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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