4820-00-349-8952 VALVE,SAFETY RELIEF Index 4730-00-349-8955 BUSHING,PIPE

National Stock Number:
3020-00-349-8953

Federal Supply Class:
3020

National Item Identification Number:
003498953

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:
1T043611083CATERPILLAR INC
1T43611083CATERPILLAR INC
206035-A61208TWIN DISC, INCORPORATED


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, SOLID
BOLT HOLE CIRCLE NOMINAL DIAMETER6.625 INCHES AXIALLY THROUGH BODY, FIRST END
BORE STYLEW/COUNTERBORE BOTH ENDS
BORE NOMINAL DIAMETER4.482 INCHES BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.324 INCHES FIRST END
COUNTERBORE NOMINAL DIAMETER5.875 INCHES FIRST END
FACE NOMINAL WIDTH0.800 INCHES
III HARDNESS RATING59.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
III MATERIALSTEEL OVERALL
PITCH DIAMETER8.0000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
PROPRIETARY CHARACTERISTICSPACS
MOUNTING HOLE NOMINAL DIAMETER0.406 INCHES AXIALLY THROUGH BODY, FIRST END
MOUNTING HOLE TYPE AND QUANTITY8 COUNTERBORED AXIALLY THROUGH BODY, FIRST END
NOMINAL OUTSIDE DIAMETER8.2500 INCHES
STYLE DESIGNATORHUBLESS
TEETH QUANTITY64
TOOTH FORMSTANDARD


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