| WIDTH ACROSS FLATS | 12.7 MILLIMETERS MINIMUM AND 13.0 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TMS-4518, TYPE II MFR REF ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | ZINC AND ALUMINUM OVERALL |
| THREAD CLASS | 6H |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| THREAD SERIES | M |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | CEMS A-31, PART II, CLASS 10 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,HEX FLG M8 METRIC |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 8.0 MILLIMETERS |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 7.6 MILLIMETERS MINIMUM AND 9.4 MILLIMETERS MAXIMUM |
| WASHER OUTSIDE DIAMETER | 17.9 MILLIMETERS MAXIMUM |
| WASHER THICKNESS | 1.2 MILLIMETERS MINIMUM |