| COUNTERBORE DIAMETER | 0.151 INCHES MINIMUM NUT AND 0.154 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 360 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 | 0.138 INCHES |
| NUT COUNTERBORE DEPTH | 0.102 INCHES MINIMUM NUT AND 0.108 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.289 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNC |