| THREAD SERIES | M |
| NOMINAL THREAD SIZE | 16.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 2.0 |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
| NUT STYLE | HEXAGON |
| NUT HEIGHT | 15.70 MILLIMETERS MINIMUM AND |
| 16.40 MILLIMETERS MAXIMUM |
| INSIDE WIDTH ACROSS FLATS | 23.67 MILLIMETERS MINIMUM AND |
| 24.00 MILLIMETERS MAXIMUM |
| WIDTH ACROSS FLATS | 23.67 MILLIMETERS MINIMUM AND |
| 24.00 MILLIMETERS MAXIMUM |
| BEARING SURFACE TYPE | CHAMFERED OR |
| FLAT OR |
| WASHER FACED |
| SPECIAL FEATURES | MATERIAL PROPERTY CLASS 10 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, HEX, SLOTTED METRIC |