Part Details | SPARK PLUG
2920-00-571-6731 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: 2344, RML12, RML-12, RML12, RML-12, AVR3S, 553086, 8668752, 2920-00-571-6731, 00-571-6731, 2920005716731, 005716731
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 29 | JAN 01, 1963 | 00-571-6731 | 00294 ( SPARK PLUG ) |
REFERENCE DRAWINGS & PICTURES
ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT
SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
Cross Reference | NSN 2920-00-571-6731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2344 | 52970 | ALLIED-SIGNAL INCAUTOLITE DIV |
| RML-12 | 0AFL4 | CHAMPION AEROSPACE LLC |
| RML-12 | 0B231 | CHAMPION AVIATION INCAUTOMOTIVE DIV |
| AVR3S | 01637 | FORD MOTOR CRAFT |
| 553086 | 02978 | L3 TECHNOLOGIES, INC.DBA COMBAT PROPULSION SYSTEMS |
| 8668752 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 2920-00-571-6731
| Characteristic | Specifications |
|---|---|
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| REACH LENGTH | 0.500 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM |
| HEIGHT ABOVE MOUNTING SURFACE | 2.875 INCHES NOMINAL |
| TOP TO TERMINAL CONTACT DISTANCE | 1.235 INCHES MINIMUM AND 1.305 INCHES MAXIMUM |
| TOP TO SHIELD THREAD DISTANCE | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| BARREL INSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| MEAN EFFECTIVE PRESSURE RATING | 230.0 POUNDS PER SQUARE INCH NOMINAL |
| DC RESISTANCE RATING IN OHMS | 100.0 MINIMUM AND 1250.0 MAXIMUM |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |