Part Details | SPARK PLUG
2925-00-142-8731 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: AC181, AC181, AC181, 2925-00-142-8731, 00-142-8731, 2925001428731, 001428731
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-142-8731 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2925-00-142-8731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AC181 | 24617 | GENERAL MOTORS CORP |
| AC181 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
| AC181 | 70040 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
Technical Data | NSN 2925-00-142-8731
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, FULL 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 | 0.960 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.000 INCHES MINIMUM AND 1.070 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| ELECTRODE STYLE | 2 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 340.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 1500.0 NOMINAL |
| USAGE DESIGN | AIRCRAFT ENGINE |