| HARDNESS RATING | 44.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4130H OR STEEL COMP 4135H OR STEEL COMP 4140H OR STEEL COMP 4142H OVERALL |
| NOMINAL THREAD SIZE | 0.086 INCHES |
| NUT DIAMETER | 0.245 INCHES MINIMUM AND 0.275 INCHES MAXIMUM |
| NUT HEIGHT | 0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.100 INCHES NOMINAL |
| PILOT DIAMETER | 0.125 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 64 |
| THREAD SERIES | UNJF |