| BEARING SURFACE TYPE | CHAMFERED OR FLAT |
| HARDNESS RATING | 32.0 ROCKWELL C NOMINAL |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 20.0 MILLIMETERS NOMINAL |
| NUT STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | DIN 985 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | PLASTIC NYLON LOCKING INSERT |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL EXCEPT INSERT |
| NOMINAL THREAD SIZE | 20.0 MILLIMETERS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | METRIC HEX (FULL) LOCKNUT W/NYLON-INSERT |
| THREAD PITCH IN MILLIMETERS | 2.50 |
| THREAD SERIES | M |
| THREAD TOLERANCE CLASS | 6H INTERNAL |
| WIDTH ACROSS FLATS | 30.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT | ZINC OVERALL EXCEPT INSERT |
| TEMP RATING | 248.0 FAHRENHEIT MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |