| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | IRON ALLOY 660 NUT |
| IRON ALLOY 660 WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | FLAT WITH TURNED UP EDGE |
| WASHER OUTSIDE DIAMETER | 1.310 INCHES MAXIMUM |
| OVERALL HEIGHT | 0.650 INCHES MINIMUM AND |
| 0.670 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.865 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT COUNTERBORE DEPTH | 0.087 INCHES MINIMUM AND |
| 0.102 INCHES MAXIMUM NUT |
| COUNTERBORE DIAMETER | 0.835 INCHES MINIMUM AND |
| 0.845 INCHES MAXIMUM NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | -452.0 DEG FAHRENHEIT MINIMUM AND |
| 800.0 DEG FAHRENHEIT MAXIMUM |
| SPECIAL FEATURES | LUBRICATION ON THREADS AND BEARING SURFACE OF THE NUT ONLY;DOUBLE HEX WRENCHING ELEMENT |