3020-01-346-9889 GEAR,SPUR Index 3020-01-346-9891 GEAR,WORM

National Stock Number:
3020-01-346-9890

Federal Supply Class:
3020

National Item Identification Number:
013469890

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
5C1-0201534712LAKE SHORE SYSTEMS, INC.


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER2.625 INCHES BOTH ENDS
FACE NOMINAL WIDTH2.750 INCHES
FIRST GROOVE NOMINAL DIAMETER3.370 INCHES FIRST END
FIRST GROOVE NOMINAL WIDTH0.760 INCHES FIRST END
HUB NOMINAL DIAMETER3.750 INCHES SECOND END
HUB NOMINAL DIAMETER3.880 INCHES FIRST END
HUB STYLE DESIGNATOR1 GROOVE FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
III HARDNESS RATING50.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM TEETH
III MATERIALSTEEL COMP 8620 OVERALL
PITCH DIAMETER4.5000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.440 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER5.000 INCHES
SPECIAL FEATURESBORE 2.625 IN. DIA BOTH ENDS,SPLINES 1.180 IN. FROM FIRST END,SPLINE LENGTH 2.880 IN.,0.440 IN. FROM SECOND END
SPLINE PITCH DIAMETER2.4000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY24 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENTCARBON OVERALL
TEETH QUANTITY18


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