NSN 2920-00-540-8303
Part Details | SPARK PLUG
2920-00-540-8303 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: N8, RN5C, WS506, 2920-00-540-8303, 00-540-8303, 2920005408303, 005408303
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
29 | JUL 02, 1970 | 00-540-8303 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
UNSHIELDED, THREADED POST, GASKET SEAT

SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

Cross Reference | NSN 2920-00-540-8303
Part Number | Cage Code | Manufacturer |
---|---|---|
N8 | 0AFL4 | CHAMPION AEROSPACE LLC |
RN5C | 0B231 | CHAMPION AVIATION INCAUTOMOTIVE DIV |
WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 2920-00-540-8303
Characteristic | Specifications |
---|---|
BODY STYLE | UNSHIELDED, THREADED POST, GASKET SEAT |
REACH LENGTH | 0.750 INCHES NOMINAL |
WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |
SEAT MAJOR DIAMETER | 0.810 INCHES MAXIMUM |
ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 14-1.25MM BASE |
MEAN EFFECTIVE PRESSURE RATING | 190.0 POUNDS PER SQUARE INCH MINIMUM AND 195.0 POUNDS PER SQUARE INCH MAXIMUM |
USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND B CLASS |