The SPARK PLUG is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: OPEN END, surface_treatment: CHROMIUM OVERALL, drive_surface_size: 0.375 INCHES NOMINAL SINGLE END IN, wrenching_surface_size: 0.625 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-865-6665, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| drive_end_shape | SQUARE SINGLE END INTERNAL |
| style_designator | OPEN END |
| surface_treatment | CHROMIUM OVERALL |
| drive_surface_size | 0.375 INCHES NOMINAL SINGLE END IN |
| wrenching_surface_size | 0.625 INCHES NOMINAL SINGLE END IN |
| wrenching_surface_shape | OVAL SINGLE END INTERNAL |
| NSN | 2920-00-865-6665 |
| WIDTH ACROSS FLATS | 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |
| REACH LENGTH | 0.500 INCHES NOMINAL IN |
| ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 5/8-24 UNEF SHIELD |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| HEIGHT ABOVE MOUNTING SURFACE | 2.875 INCHES NOMINAL IN |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL IN |
| TOP TO SHIELD THREAD DISTANCE | 0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| PRESSURE RATING | 230.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS |