3020-00-517-2120 GEAR,SPUR Index 3020-00-517-2126 GEAR,SPUR

National Stock Number:
3020-00-517-2121

Federal Supply Class:
3020

National Item Identification Number:
005172121

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:
516446624617GENERAL MOTORS CORP
516446628910SERVICE SALES OF PITTSBURGH
A3460A5YBK9HD AERO SUPPORT, INC.
A3460A61208TWIN DISC, INCORPORATED


Techincal Specification:
MATERIALSTEEL COMP 4615 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING59.0 ROCKWELL C MINIMUM AND
62.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY29
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 5
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER4.9656 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER5.3265 INCHES
FACE NOMINAL WIDTH2.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.875 INCHES FIRST END
BORE STYLEW/ KEYWAY BOTH ENDS
BORE NOMINAL DIAMETER2.8610 INCHES BOTH ENDS
KEYWAY NOMINAL WIDTH0.3750 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM1.5620 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
PLAIN SECOND END
HUB NOMINAL DIAMETER3.7500 INCHES FIRST END
3.7500 INCHES SECOND END
BODY STYLEPLAIN, SOLID


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