Part Details | SPARK PLUG
2920-00-956-6157 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, 137, 2920-00-956-6157, 00-956-6157, 2920009566157, 009566157
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-956-6157 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
UNSHIELDED, SOLID POST, GASKET SEAT
THREE ROUND GROUND ELECTRODE
Cross Reference | NSN 2920-00-956-6157
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| WS506 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| 137 | 78589 | STITT SPARK PLUG CO |
Technical Data | NSN 2920-00-956-6157
| Characteristic | Specifications |
|---|---|
| BODY STYLE | UNSHIELDED, SOLID POST, GASKET SEAT |
| REACH LENGTH | 0.625 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.937 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 1.125 INCHES MAXIMUM |
| ELECTRODE STYLE | THREE ROUND GROUND ELECTRODE |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR AND LOCATION | 7/8-18 UNS BASE |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND B CLASS |