| COUNTERBORE DIAMETER | 0.148 INCHES MINIMUM AND 0.153 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| OVERALL HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT COUNTERBORE DEPTH | 0.025 INCHES MINIMUM NUT |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.244 INCHES MAXIMUM |
| WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEMP RATING | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 40 |