| THREAD SERIES | ISO M |
| NOMINAL THREAD SIZE | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD TOLERANCE CLASS | NTE4H5H EXTERNAL |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | IRON ALLOY 660 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 13.6 MILLIMETERS MAXIMUM |
| OVERALL HEIGHT | 7.0 MILLIMETERS MAXIMUM |
| WASHER THICKNESS | 1.1 MILLIMETERS MINIMUM |
| WIDTH ACROSS FLATS | 10.0 MILLIMETERS NOMINAL |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| TEMP RATING | 425.0 DEG CELSIUS MAXIMUM |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND LOCATION | NUT SURFACE SILVER |