NSN 2925-00-142-8731

Part Details | SPARK PLUG

2925-00-142-8731 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.

Alternate Parts: AC181, AC181, AC181, 2925-00-142-8731, 00-142-8731, 2925001428731, 001428731

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JAN 01, 196300-142-873100294 ( SPARK PLUG )
REFERENCE DRAWINGS & PICTURES

ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT

SPARK PLUG | 2925-00-142-8731, 001428731

SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

SPARK PLUG | 2925-00-142-8731, 001428731
Cross Reference | NSN 2925-00-142-8731
Part Number Cage Code Manufacturer
AC18124617GENERAL MOTORS CORP
AC1817X677GENERAL MOTORS LLCDBA GENERAL MOTORS
AC18170040GENERAL MOTORS LLCDBA GENERAL MOTORS
Technical Data | NSN 2925-00-142-8731
Characteristic Specifications
BODY STYLE ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
REACH LENGTH0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
WIDTH ACROSS FLATS0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
SEAT MAJOR DIAMETER0.960 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
TOP TO SHIELD THREAD DISTANCE0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
SHIELD THREAD LENGTH0.375 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
ELECTRODE STYLE2 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
MEAN EFFECTIVE PRESSURE RATING340.0 POUNDS PER SQUARE INCH NOMINAL
DC RESISTANCE RATING IN OHMS1500.0 NOMINAL
USAGE DESIGN AIRCRAFT ENGINE