3020-00-517-2865 GEAR,HELICAL Index 3020-00-517-2871 GEAR,HELICAL

National Stock Number:
3020-00-517-2866

Federal Supply Class:
3020

National Item Identification Number:
005172866

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:
A521361208TWIN DISC, INCORPORATED
A521380072H20 TANK INC U S MOTORS DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEWEBBED, WITH LIGHTENING HOLES
FACE NOMINAL WIDTH2.000 INCHES
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
HELIX ANGLE15.0000 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER3.875 INCHES FIRST END
HUB NOMINAL DIAMETER3.875 INCHES SECOND END
KEYWAY NOMINAL WIDTH0.500 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4615 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4615 OVERALL
MOUNTING HOLE THREAD QUANTITY PER INCH13 TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 THREADED TRANSVERSELY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER8.5833 INCHES
PITCH DIAMETER8.3333 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY50
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT


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