2520-00-739-4869 GEAR ASSEMBLY,TRANSMISSION Index 4320-00-739-4872 PUMP,ROTARY

National Stock Number:
3020-00-739-4870

Federal Supply Class:
3020

National Item Identification Number:
007394870

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:
5H235211083CATERPILLAR INC


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER3.220 INCHES BOTH ENDS
FACE NOMINAL WIDTH1.590 INCHES
HELIX ANGLE23.0000 DEGREES
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER4.000 INCHES SECOND END
HUB NOMINAL DIAMETER4.250 INCHES FIRST END
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.344 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER9.1875 INCHES
PITCH DIAMETER8.8750 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESCOUNTERBORE FIRST END,DIA. 3.375 IN. NOMINAL,DEPTH 0.239 IN. NOMINAL
SPLINE PITCH DIAMETER2.9950 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY15 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY41
TEETH TYPESINGLE HELIX
TOOTH DIRECTIONRIGHT
TOOTH FORMSTANDARD


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