| COUNTERBORE DIAMETER | 0.850 INCHES MINIMUM AND 0.860 INCHES MAXIMUM NUT |
| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 304 OVERALL |
| NOMINAL THREAD SIZE | 0.844 INCHES |
| NUT COUNTERBORE DEPTH | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| NUT DIAMETER | 1.120 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.380 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| PILOT DIAMETER | 0.945 INCHES MINIMUM AND 0.955 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNS |
| THREAD PITCH DIAMETERS | +0.8235 TO 0.8271 INCHES |
| THREAD QUANTITY PER INCH | 32 |