NSN 2920-00-540-7841
Part Details | SPARK PLUG
2920-00-540-7841 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: WS506, R46XL, R46XL, MT13R, 2920-00-540-7841, 00-540-7841, 2920005407841, 005407841
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
29 | JAN 01, 1963 | 00-540-7841 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
UNSHIELDED, THREADED POST, GASKET SEAT

SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)

Cross Reference | NSN 2920-00-540-7841
Part Number | Cage Code | Manufacturer |
---|---|---|
WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
R46XL | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
R46XL | 70040 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
MT13R | 03657 | ZELLER CORP THE |
Technical Data | NSN 2920-00-540-7841
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 | 0.812 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 | 165.0 POUNDS PER SQUARE INCH NOMINAL |
DC RESISTANCE RATING IN OHMS | 10000.0 NOMINAL |
USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND A CLASS |