2925-00-639-6671 SPARK PLUG Index 2925-00-639-6673 SPARK PLUG

National Stock Number:
2925-00-639-6672

Federal Supply Class:
2925

National Item Identification Number:
006396672

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:
561027224617GENERAL MOTORS CORP
561027270040GENERAL MOTORS CORP AC ROCHESTER DIV
56102727X677GENERAL MOTORS LLC
AC15524617GENERAL MOTORS CORP
AC15570040GENERAL MOTORS CORP AC ROCHESTER DIV
AC1557X677GENERAL MOTORS LLC


Techincal Specification:
ELECTRODE STYLETRIPLE GAP GROUND ELECTRODE
BARREL INSIDE DIAMETER0.469 INCHES NOMINAL
BODY STYLEELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
DC RESISTANCE RATING IN OHMS1000.0 NOMINAL
HEIGHT ABOVE MOUNTING SURFACE2.250 INCHES NOMINAL
PRESSURE RATING450.0 POUNDS PER SQUARE INCH NOMINAL MEAN EFFECTIVE
REACH LENGTH0.812 INCHES NOMINAL
SEAT MAJOR DIAMETER0.970 INCHES MAXIMUM
SHIELD THREAD LENGTH0.250 INCHES NOMINAL
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER0.378 INCHES NOMINAL
THREAD SIZE AND SERIES/TYPE DESIGNATOR5/8-24 UNEF SHIELD
TOP TO SHIELD THREAD DISTANCE0.125 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES NOMINAL
USAGE DESIGNAIRCRAFT ENGINE


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