3020-00-239-3859 GEAR,SPUR Index 3020-00-239-3861 GEAR,SPUR

National Stock Number:
3020-00-239-3860

Federal Supply Class:
3020

National Item Identification Number:
002393860

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:
C253416603CONTROL FLOW, INC.
C25343X894CONTROL FLOW, INC.


Techincal Specification:
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER3.4975 INCHES BOTH ENDS
BORE STYLEW/ 2 KEYWAYS BOTH ENDS
FACE NOMINAL WIDTH2.250 INCHES
KEYWAY NOMINAL WIDTH0.875 INCHES BOTH ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM2.2180 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER8.4000 INCHES
PITCH DIAMETER8.0000 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 12
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESKEYWAYS IN BORE ARE 90.0 DEG APART
STYLE DESIGNATORHUBLESS
TEETH QUANTITY32
TOOTH FORMSTANDARD


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