Part Details | SPARK PLUG
2920-00-075-5121 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: RB312S, WS506, 2920-00-075-5121, 00-075-5121, 2920000755121, 000755121
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-075-5121 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2920-00-075-5121
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| RB312S | 05045 | B G SERVICE COMPANY, INC., THEDBA B G SERVICE COMPANY |
| WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 2920-00-075-5121
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.625 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.937 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 1.125 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.625 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.500 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES NOMINAL |
| ELECTRODE STYLE | 2 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 245.0 POUNDS PER SQUARE INCH NOMINAL |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND A CLASS |