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


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