| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| NUT DIAMETER | 0.866 INCHES MINIMUM AND 0.869 INCHES MAXIMUM |
| NUT HEIGHT | 0.685 INCHES MINIMUM AND 0.715 INCHES MAXIMUM |
| NUT LENGTH | 0.844 INCHES MINIMUM AND 0.874 INCHES MAXIMUM |
| NUT STYLE | NON-FLOATING SELF-LOCKING BARREL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 20 |