| COUNTERBORE DIAMETER | 0.149 INCHES MINIMUM AND 0.154 INCHES MAXIMUM FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT COUNTERBORE DEPTH | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM FIRST END |
| NUT DIAMETER | 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM |
| NUT HEIGHT | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| PILOT DIAMETER | 0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |