3020-00-203-1520 GEAR,HELICAL Index 3020-00-203-1524 GEAR,HELICAL

National Stock Number:
3020-00-203-1523

Federal Supply Class:
3020

National Item Identification Number:
002031523

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:
YB1593-10403B150RAYTHEON COMPANY
YB1593-104049956RAYTHEON COMPANY
YB1593-104054X10RAYTHEON COMPANY
YB1593-104094144RAYTHEON COMPANY
YB1593-1040P13B150RAYTHEON COMPANY
YB1593-1040P149956RAYTHEON COMPANY
YB1593-1040P154X10RAYTHEON COMPANY


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER3.373 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER2.376 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HELIX ANGLE18.4332 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.563 INCHES FIRST END
HUB NOMINAL DIAMETER3.125 INCHES SECOND END
MATERIALCOPPER ALLOY OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.144 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH BODY, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.135 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.343 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER4.046 INCHES
PITCH DIAMETER3.9940 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10 OR QUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTCHROMATE OVERALL
TEETH QUANTITY144
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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