| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | STEEL AND PLASTIC POLYAMIDE |
| NOMINAL THREAD SIZE | 12.00 MILLIMETERS |
| NUT HEIGHT | 13.20 MILLIMETERS NOMINAL |
| NUT STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 18.67 MILLIMETERS MINIMUM AND 19.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BSI BS 3382 NUT NATIONAL STD SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | ZINC |
| TEMP RATING | -50.0 DEG CELSIUS MINIMUM AND 120.0 DEG CELSIUS MAXIMUM |
| THREAD CLASS | 6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.75 |
| THREAD SERIES | ISO M |