3020-00-254-2078 GEAR,HELICAL Index 3020-00-254-2081 GEAR,HELICAL

National Stock Number:
3020-00-254-2079

Federal Supply Class:
3020

National Item Identification Number:
002542079

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:
47629DB92679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.874 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH1.250 INCHES
HARDNESS RATING82.5 ROCKWELL B NOMINAL HUB
HELIX ANGLE39.4500 DEGREES
KEYWAY NOMINAL WIDTH0.312 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 AISI/SAE 1040 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1040 OVERALL
PITCH DIAMETER3.5117 INCHES NOMINAL
PRESSURE ANGLE14.5000 DEGREES
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.089 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER3.709 INCHES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY27
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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