3020-00-278-7611 GEAR,SPUR Index 3020-00-278-7623 GEAR,SPUR

National Stock Number:
3020-00-278-7618

Federal Supply Class:
3020

National Item Identification Number:
002787618

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:
212B1252C34161KOEHRING CO
212B1252C8E499KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER3.981 INCHES BOTH ENDS
BORE STYLESTRAIGHT SPLINE BOTH ENDS
FACE NOMINAL WIDTH4.125 INCHES
HARDNESS RATING27.8 ROCKWELL C MINIMUM AND 32.2 ROCKWELL C MAXIMUM OVERALL
HUB NOMINAL DIAMETER4.750 INCHES FIRST END
HUB STYLE DESIGNATORPLAIN FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.062 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER7.249 INCHES
PITCH DIAMETER6.2500 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESCOUNTERBORE 1ST END,3.498 IN. DIA,3.625 IN. DEEP
SPLINE QUANTITY10 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY12
TOOTH FORMSTANDARD


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