| BEARING SURFACE TYPE | FLAT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-2,CLASS 8 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| PROPRIETARY CHARACTERISTICS | NPAC |
| NOMINAL THREAD SIZE | 8.0 MILLIMETERS |
| NUT HEIGHT | 7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | M8-1.25 DIN 985 ZINC PLATED NYLON INSERT LOCK NUT |
| WIDTH ACROSS FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMF1941M ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.0 |
| THREAD SERIES | M |