Part Details | SPARK PLUG
2920-00-821-2281 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: XMN12, XMN12, 2920008212281, WS506, AGR3S, AGR3S, 10917612, 10863369, 2920-00-821-2281, 00-821-2281, 2920008212281, 008212281
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-821-2281 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2920-00-821-2281
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| XMN12 | 0AFL4 | CHAMPION AEROSPACE LLC |
| XMN12 | 0B231 | CHAMPION AVIATION INCAUTOMOTIVE DIV |
| 2920008212281 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| AGR3S | 23040 | FORD MOTOR COFORD PARTS AND SERVICE DIV |
| AGR3S | 57526 | FORD MOTOR COMPANY |
| 10917612 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
| 10863369 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 2920-00-821-2281
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.750 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.790 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.500 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.220 INCHES MINIMUM AND 1.320 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.565 INCHES MINIMUM AND 0.675 INCHES MAXIMUM |
| BARREL INSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 275.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 2000.0 MINIMUM AND 20000.0 MAXIMUM |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |