| COUNTERBORE DIAMETER | 0.182 INCHES NOMINAL NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OVERALL |
| PILOT DIAMETER | 0.224 INCHES MINIMUM AND 0.228 INCHES MAXIMUM |
| PILOT LENGTH | 0.125 INCHES NOMINAL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT DIAMETER | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.078 INCHES NOMINAL NUT |
| NUT HEIGHT | 0.237 INCHES NOMINAL |
| NUT STYLE | SPLINE |
| SPECIAL FEATURES | 0.016 IN. BY 45 DEG CHAMFER ON PILOT DIA |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |