Part Details | SPARK PLUG
2920-00-647-3903 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: XEC89D, WS506, TR15S, TR15S, 2920-00-647-3903, 00-647-3903, 2920006473903, 006473903
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-647-3903 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2920-00-647-3903
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| XEC89D | 0AFL4 | CHAMPION AEROSPACE LLC |
| WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| TR15S | 23040 | FORD MOTOR COFORD PARTS AND SERVICE DIV |
| TR15S | 57526 | FORD MOTOR COMPANY |
Technical Data | NSN 2920-00-647-3903
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.625 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 1.125 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 1.125 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.570 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES MINIMUM AND 1.070 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.250 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.459 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| ELECTRODE STYLE | 4 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 85.0 POUNDS PER SQUARE INCH MINIMUM AND 115.0 POUNDS PER SQUARE INCH MAXIMUM |
| DC RESISTANCE RATING IN OHMS | 10000.0 NOMINAL |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND A CLASS |