NSN 2920-00-075-5121

Part Details | SPARK PLUG

2920-00-075-5121 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: RB312S, WS506, 2920-00-075-5121, 00-075-5121, 2920000755121, 000755121

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JAN 01, 196300-075-512100294 ( SPARK PLUG )
REFERENCE DRAWINGS & PICTURES

ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT

SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

Cross Reference | NSN 2920-00-075-5121
Part Number Cage Code Manufacturer
RB312S05045B G SERVICE COMPANY, INC., THEDBA B G SERVICE COMPANY
WS50681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 2920-00-075-5121
Characteristic Specifications
BODY STYLE ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
REACH LENGTH0.625 INCHES NOMINAL
WIDTH ACROSS FLATS0.937 INCHES NOMINAL
SEAT MAJOR DIAMETER1.125 INCHES MAXIMUM
HEIGHT ABOVE MOUNTING SURFACE2.625 INCHES NOMINAL
TOP TO TERMINAL CONTACT DISTANCE1.000 INCHES NOMINAL
TOP TO SHIELD THREAD DISTANCE0.125 INCHES NOMINAL
SHIELD THREAD LENGTH0.500 INCHES NOMINAL
TERMINAL SLEEVE INSIDE DIAMETER0.378 INCHES NOMINAL
ELECTRODE STYLE2 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
MEAN EFFECTIVE PRESSURE RATING245.0 POUNDS PER SQUARE INCH NOMINAL
USAGE DESIGN ENGINE OTHER THAN AIRCRAFT
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A CLASS