| BASE THICKNESS | 0.052 INCHES NOMINAL |
| BASE WIDTH | 0.400 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.254 INCHES NOMINAL OVERALL EXCEPT THREADS |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | IRON ALLOY 660 NUT |
| III BEARING SURFACE FINISH | 125.0 MICROINCHES |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.2500 INCHES |
| NUT COUNTERBORE DEPTH | 0.350 INCHES NOMINAL OVERALL EXCEPT THREADS |
| NUT LENGTH | 0.562 INCHES NOMINAL |
| NUT HEIGHT | 0.563 INCHES NOMINAL |
| NUT STYLE | GANG CHANNEL, SELF LOCKING |
| SURFACE TREATMENT | COPPER NUT |
| TEMP RATING | 400.0 DEG FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJF |