3020-00-517-3910 GEAR,HELICAL Index 3020-00-517-3915 GEAR,HELICAL

National Stock Number:
3020-00-517-3913

Federal Supply Class:
3020

National Item Identification Number:
005173913

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:
517195424617GENERAL MOTORS CORP
517195472582ROLLS-ROYCE SOLUTIONS AMERICA INC


Techincal Specification:
MATERIALSTEEL COMP 8640 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND
34.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY49
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONLEFT
PRESSURE ANGLE20.0000 DEGREES
HELIX ANGLE16.0989 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER6.3750 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER6.6200 INCHES
FACE NOMINAL WIDTH2.5000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.5550 INCHES BOTH ENDS
BORE STYLESTRAIGHT SPLINE BOTH ENDS
BORE NOMINAL DIAMETER2.005 INCHES BOTH ENDS
SPLINE QUANTITY10 BOTH ENDS
HUB STYLE DESIGNATOR1 STEP BOTH ENDS
END NOMINAL LENGTH0.900 INCHES BOTH ENDS
END NOMINAL DIAMETER2.755 INCHES BOTH ENDS
FIRST STEP NOMINAL LENGTH0.655 INCHES BOTH ENDS
FIRST STEP NOMINAL DIAMETER3.312 INCHES BOTH ENDS
BODY STYLEWEBBED, SOLID
SPECIAL FEATURES1ST END CBORED; 2.1250 IN.DIA; 2.2500 IN. DP
THE MANUFACTURERS DATA
MANUFACTURERS CODE72582
DESIGN CONTROL REFERENCE5171954


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