Part Details | SPARK PLUG
2925-00-056-7058 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: MILS78861002, MILS7886-1002, MILS7886, 2925-00-056-7058, 00-056-7058, 2925000567058, 000567058
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-056-7058 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2925-00-056-7058
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MILS7886-1002 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MILS7886 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 2925-00-056-7058
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.438 INCHES MINIMUM AND 2.562 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.480 INCHES MINIMUM AND 1.570 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.335 INCHES MAXIMUM |
| BARREL INSIDE DIAMETER | 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
| ELECTRODE STYLE | 2 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| USAGE DESIGN | AIRCRAFT ENGINE |
| SPECIAL FEATURES | FINE WIRE (PLATINUM) ELECTRODES,0.015 IN. MIN,0.018 IN. MAX GAP |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |