| FLANGE THICKNESS | 1.91 MILLIMETERS MINIMUM AND 2.03 MILLIMETERS MAXIMUM |
| FLANGE WIDTH ACROSS FLATS | 14.07 MILLIMETERS MINIMUM AND 14.27 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S154 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| NUT DIAMETER | 11.50 MILLIMETERS MINIMUM AND 11.70 MILLIMETERS MAXIMUM |
| NUT LENGTH | 4.85 MILLIMETERS MINIMUM AND 5.35 MILLIMETERS MAXIMUM |
| NUT STYLE | SLEEVE |
| SPECIAL FEATURES | BODY W/2 SLOTS |
| SURFACE TREATMENT | ZINC-NICKEL ALLOY OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNF |