| COUNTERBORE DIAMETER | 0.187 INCHES MINIMUM AND 0.194 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| PILOT DIAMETER | 0.215 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
| PILOT LENGTH | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT DIAMETER | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.209 INCHES MINIMUM AND 0.224 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |