3020-00-528-7110 GEAR,HELICAL Index 3020-00-528-7112 GEAR,HELICAL

National Stock Number:
3020-00-528-7111

Federal Supply Class:
3020

National Item Identification Number:
005287111

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:
323860855380HATCH & KIRK, INC.
323860872915GENERAL MOTORS CORP ELECTRO-MOTIVE DIV


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER6.625 INCHES AXIALLY THROUGH HUB, FIRST END
BORE STYLEW/COUNTERBORE COUNTER BORE, SECOND END
BORE NOMINAL DIAMETER5.8765 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DIAMETER9.8125 INCHES COUNTER BORE, SECOND END
COUNTERBORE NOMINAL DEPTH1.1250 INCHES COUNTER BORE, SECOND END
FACE NOMINAL WIDTH1.500 INCHES
HARDNESS RATING89.0 ROCKWELL B MINIMUM AND 96.0 ROCKWELL B MAXIMUM OVERALL
HELIX ANGLE27.3217 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER7.3750 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.4060 INCHES AXIALLY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY4 PLAIN AXIALLY THROUGH HUB, FIRST END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.3750 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER11.0858 INCHES
SPECIAL FEATURES0.250 IN. HIGH FIG 6 ON CENTER LINE OF TOOTH 6 DEG 11 MIN FROM CENTER LINE OF GEAR,FOUR EQUALLY SPACED DOWEL HOLES 22 DEG 30 MIN CW FROM CENTER LINE OF GEAR ON 6.624 @TO @6.626 IN. DIA BOLT CIRCLE 1ST END OF GEAR
PITCH DIAMETER10.8000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY54
TEETH TYPESINGLE HELIX
TOOTH FORMSTANDARD
TOOTH DIRECTIONRIGHT


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