2520-00-371-7117 BOOT,VEHICULAR COMPONENTS Index 3020-00-371-7123 GEAR,SPUR

National Stock Number:
3020-00-371-7121

Federal Supply Class:
3020

National Item Identification Number:
003717121

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:
20706823926KOMATSU AMERICA INTL CO
7987923926KOMATSU AMERICA INTL CO
D7987923926KOMATSU AMERICA INTL CO
7987945RP7DRESSTA NORTH AMERICA LTD


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE STYLEW/COUNTERBORE COUNTERBORE, FIRST END
BORE NOMINAL DIAMETER3.187 INCHES COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DEPTH0.860 INCHES COUNTERBORE, FIRST END
COUNTERBORE NOMINAL DIAMETER4.242 INCHES COUNTERBORE, FIRST END
FACE NOMINAL WIDTH1.750 INCHES
FEATURES PROVIDEDGROOVE
HUB STYLE DESIGNATORPLAIN BOTH ENDS
III HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
III MATERIALSTEEL OVERALL
PITCH DIAMETER9.0500 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.078 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.000 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER9.445 INCHES
SPECIAL FEATURES20 INTERNAL GEAR TEETH FIRST END,PITCH DIA 4.0000 IN.,FACE WIDTH 0.406 IN.
SPLINE PITCH DIAMETER4.0000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY20 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY45
TOOTH FORMSTANDARD


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