| COUNTERBORE DIAMETER | 0.211 INCHES MINIMUM AND 0.221 INCHES MAXIMUM NUT |
| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.223 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.190 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 | 0.380 INCHES MAXIMUM |
| WASHER THICKNESS | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.213 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 32 |