| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | IRON ALLOY 660 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | PASSIVATE NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES NUT |
| NUT STYLE | GANG CHANNEL, SELF LOCKING |
| BASE WIDTH | 0.475 INCHES MINIMUM AND |
| 0.485 INCHES MAXIMUM |
| NUT LENGTH | 0.722 INCHES MINIMUM AND |
| 0.732 INCHES MAXIMUM |
| BASE THICKNESS | 0.050 INCHES MINIMUM AND |
| 0.064 INCHES MAXIMUM |
| NUT HEIGHT | 0.294 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT COUNTERBORE DEPTH | 0.036 INCHES MINIMUM FIRST END |
| COUNTERBORE DIAMETER | 0.317 INCHES MINIMUM FIRST END |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 450.0 DEG FAHRENHEIT MAXIMUM |