2920-00-647-3896 SPARK PLUG Index 2920-00-647-3899 SPARK PLUG

National Stock Number:
2920-00-647-3897

Federal Supply Class:
2920

National Item Identification Number:
006473897

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:
232552970ALLIED-SIGNAL INC AUTOLITE DIV
AL4S57526FORD MOTOR COMPANY
ARL4S52970ALLIED-SIGNAL INC AUTOLITE DIV
EH80AFL4CHAMPION AEROSPACE LLC
WS50681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
XEH80AFL4CHAMPION 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 LENGTH0.438 INCHES NOMINAL
WIDTH ACROSS FLATS0.812 INCHES NOMINAL
SEAT MAJOR DIAMETER0.795 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE2.734 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES NOMINAL
TOP TO SHIELD THREAD DISTANCE0.125 INCHES NOMINAL
SHIELD THREAD LENGTH0.250 INCHES NOMINAL
BARREL INSIDE DIAMETER0.468 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER0.378 INCHES NOMINAL
MEAN EFFECTIVE PRESSURE RATING235.0 POUNDS PER SQUARE INCH NOMINAL
DC RESISTANCE RATING IN OHMS10000.0 NOMINAL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
A CLASS
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEWS506


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