NSN 2920-00-294-3746
Part Details | SPARK PLUG
2920-00-294-3746 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, AR8S, 2920-00-294-3746, 00-294-3746, 2920002943746, 002943746
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-294-3746 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2920-00-294-3746
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| AR8S | 95689 | WOODSTOCK DIE CASTINGAN ELTRA CO |
Technical Data | NSN 2920-00-294-3746
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 0.775 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.625 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.125 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.312 INCHES NOMINAL |
| ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 140.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 10000.0 NOMINAL |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A CLASS |
