| ELECTRODE STYLE | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| BARREL INSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| BODY STYLE | ELECTRICALLY SHIELDED, PARTIAL INSULATOR, GASKET SEAT |
| DC RESISTANCE RATING IN OHMS | 10000.0 NOMINAL |
| HEIGHT ABOVE MOUNTING SURFACE | 2.875 INCHES MAXIMUM |
| NONDEFINITIVE SPEC/STD DATA | B CLASS AND 1 TYPE |
| PRESSURE RATING | 135.0 POUNDS PER SQUARE INCH NOMINAL MEAN EFFECTIVE |
| REACH LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| SEAT MAJOR DIAMETER | 0.785 INCHES MINIMUM AND 0.800 INCHES MAXIMUM |
| SHIELD THREAD LENGTH | 0.375 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.802 INCHES MINIMUM AND 0.817 INCHES MAXIMUM |
| TERMINAL SLEEVE INSIDE DIAMETER | 0.301 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| TEST DATA DOCUMENT | 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 5/8-24 UNEF SHIELD |
| TOP TO SHIELD THREAD DISTANCE | 0.095 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| TOP TO TERMINAL CONTACT DISTANCE | 1.245 INCHES MINIMUM AND 1.295 INCHES MAXIMUM |
| USAGE DESIGN | ENGINE OTHER THAN AIRCRAFT |