| COUNTERBORE DIAMETER | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| NUT COUNTERBORE DEPTH | 0.422 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST END |
| NUT DIAMETER | 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM |
| NUT HEIGHT | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| PILOT DIAMETER | 0.479 INCHES MINIMUM AND 0.482 INCHES MAXIMUM |
| 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 | 16 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |