2920-00-294-3902 SPARK PLUG Index 1670-00-294-3910 PARACHUTE,PERSONNEL,SEAT

National Stock Number:
2920-00-294-3903

Federal Supply Class:
2920

National Item Identification Number:
002943903

Description:
SPARK PLUG

Detail:
AN ITEM CONTAINING TWO OR MORE ELECTRODES ACROSS WHICH AN ELECTRIC SPARK IS DISCHARGED TO IGNITE A FUEL AND AIR MIXTURE, PRIMARILY IN INTERNAL COMBUSTION ENGINES. EXCLUDES GLOW PLUG; AND ELECTRODE.


Manufacturer Information:
EH0-8CK0AFL4CHAMPION AEROSPACE LLC


Techincal Specification:
BODY STYLEELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
USAGE DESIGNENGINE OTHER THAN AIRCRAFT
ELECTRODE STYLESINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
THREAD SIZE AND SERIES/TYPE DESIGNATOR5/8-24 UNEF SHIELD
REACH LENGTH0.375 INCHES NOMINAL
WIDTH ACROSS FLATS0.812 INCHES NOMINAL
SEAT MAJOR DIAMETER0.812 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE2.766 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES NOMINAL
TOP TO SHIELD THREAD DISTANCE0.125 INCHES NOMINAL
SHIELD THREAD LENGTH0.281 INCHES NOMINAL
BARREL INSIDE DIAMETER0.378 INCHES MINIMUM AND
0.386 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE0AFL4
DESIGN CONTROL REFERENCEEH0-8CK


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