Part Details | SPARK PLUG
2925-00-684-2988 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: RHB29E, RHB29N, RHB29E, MILP7886, 2925-00-684-2988, 00-684-2988, 2925006842988, 006842988
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-684-2988 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2925-00-684-2988
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| RHB29E | 0AFL4 | CHAMPION AEROSPACE LLC |
| RHB29N | 0AFL4 | CHAMPION AEROSPACE LLC |
| RHB29E | 14170 | HUGHES MISSILE SYSTEMS COSAN DIEGO |
| MILP7886 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 2925-00-684-2988
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.812 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL |
| SEAT MAJOR DIAMETER | 0.970 INCHES NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.500 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.500 INCHES NOMINAL |
| TOP TO SHIELD THREAD DISTANCE | 0.125 INCHES NOMINAL |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.560 INCHES NOMINAL |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.380 INCHES NOMINAL |
| ELECTRODE STYLE | 1 SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 385.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 500.0 MINIMUM AND 1500.0 MAXIMUM |
| USAGE DESIGN | AIRCRAFT ENGINE |