2610-00-275-8016 TIRE,PNEUMATIC,VEHICULAR Index 3020-00-275-8024 GEAR,SPUR

National Stock Number:
3020-00-275-8020

Federal Supply Class:
3020

National Item Identification Number:
002758020

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:
519332224617GENERAL MOTORS CORP
519332272582ROLLS-ROYCE SOLUTIONS AMERICA INC
GR87977873ROCKFORD POWERTRAIN INC


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER2.500 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH3.716 INCHES
HARDNESS RATING20.3 ROCKWELL C MINIMUM AND 25.6 ROCKWELL C MAXIMUM BODY
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM TEETH
HELIX ANGLE15.0000 DEGREES
HUB NOMINAL DIAMETER3.750 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
KEYWAY NOMINAL WIDTH0.502 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
PITCH DIAMETER4.3137 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.160 INCHES FIRST END
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.482 INCHES BOTH ENDS
NOMINAL OVERALL LENGTH3.500 INCHES
NOMINAL OUTSIDE DIAMETER4.6470 INCHES
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY25
TEETH TYPEDOUBLE HELIX, SOLID
TOOTH DIRECTIONLEFT
TOOTH FORMSTANDARD


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