| COUNTERBORE DIAMETER | 0.342 INCHES MINIMUM AND 0.352 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.316 INCHES MINIMUM AND 0.336 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD ALL MATERIAL RESPONSES WASHER |
| MATERIAL | STEEL CORROSION RESISTING OR IRON ALLOY 660 NUT |
| MATERIAL | STEEL CORROSION RESISTING OR IRON ALLOY 660 WASHER |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT COUNTERBORE DEPTH | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM NUT |
| NUT STYLE | DOUBLE HEXAGON |
| SPECIFICATION/STANDARD DATA | 76301-ST3-426 MANUFACTURERS STANDARD |
| WASHER OUTSIDE DIAMETER | 0.560 INCHES MAXIMUM |
| WASHER THICKNESS | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |