3020-00-540-8638 GEAR,SPUR Index 3020-00-540-8640 GEAR,SPUR

National Stock Number:
3020-00-540-8639

Federal Supply Class:
3020

National Item Identification Number:
005408639

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:
72206600447WABCO CONSTRUCTION AND MINING EQUIPMENT GROUP INDIANAPOLIS PLANT AN AMERICAN STANDARD INC CO


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER2.6525 INCHES BOTH ENDS
FACE NOMINAL WIDTH1.687 INCHES
HARDNESS RATING57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8620H OVERALL
NOMINAL OUTSIDE DIAMETER4.9950 INCHES
PITCH DIAMETER0.48000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPLINE PITCH DIAMETER2.5090 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY20 BOTH ENDS
SPECIAL FEATURESTEETH RELIEVED 0.004IN.MIN,0.007 IN.MAX EA SIDE
STYLE DESIGNATORHUBLESS
SURFACE TREATMENTPASSIVATE OVERALL
TEETH QUANTITY24
TOOTH FORMSTANDARD


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