3020-01-220-1244 GEAR,SPUR Index 3020-01-220-1246 GEAR,SPUR

National Stock Number:
3020-01-220-1245

Federal Supply Class:
3020

National Item Identification Number:
012201245

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:
SSN593-520-186210681316PORTSMOUTH NAVAL SHIPYARD
SSN593-520-1862106 PIECE 181316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
BODY STYLESPOKED
BORE NOMINAL DIAMETER4.000 INCHES BOTH ENDS
BORE STYLEW/ KEYWAY BOTH ENDS
FACE NOMINAL WIDTH4.000 INCHES
FEATURES PROVIDEDCASEHARDENED
KEYWAY NOMINAL WIDTH0.875 INCHES BOTH ENDS
MATERIALALUMINUM OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.500 INCHES BOTH ENDS
NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM2.375 INCHES BOTH ENDS
NOMINAL OUTSIDE DIAMETER20.533 INCHES
PITCH DIAMETER20.0000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY60
TOOTH FORMSTUB


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