NSN 2925-00-294-3874

Part Details | SPARK PLUG

2925-00-294-3874 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: R819, 2925-00-294-3874, 00-294-3874, 2925002943874, 002943874

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JAN 01, 196300-294-387400294 ( SPARK PLUG )
REFERENCE DRAWINGS & PICTURES

ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT

SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

Cross Reference | NSN 2925-00-294-3874
Part Number Cage Code Manufacturer
R8190AFL4CHAMPION AEROSPACE LLC
Technical Data | NSN 2925-00-294-3874
Characteristic Specifications
BODY STYLE ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
REACH LENGTH0.812 INCHES NOMINAL
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
SEAT MAJOR DIAMETER1.000 INCHES NOMINAL
HEIGHT ABOVE MOUNTING SURFACE2.250 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM
TOP TO SHIELD THREAD DISTANCE0.125 INCHES NOMINAL
SHIELD THREAD LENGTH0.375 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER0.380 INCHES NOMINAL
ELECTRODE STYLE1 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION 18-1.5MM BASE
DC RESISTANCE RATING IN OHMS1000.0 NOMINAL
USAGE DESIGN AIRCRAFT ENGINE