| COUNTERBORE DIAMETER | 0.149 INCHES MINIMUM NUT AND 0.152 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2011 OVERALL |
| PILOT DIAMETER | 0.185 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| PILOT LENGTH | 0.102 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT COUNTERBORE DEPTH | 0.102 INCHES MINIMUM NUT AND 0.108 INCHES MAXIMUM NUT |
| NUT DIAMETER | 0.250 INCHES NOMINAL |
| NUT HEIGHT | 0.477 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 40 |
| THREAD SERIES | UNC |