| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT DIAMETER | 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM |
| NUT HEIGHT | 0.147 INCHES MINIMUM AND 0.173 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| PILOT LENGTH | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |