| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTMA582,COND A ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OVERALL |
| PILOT DIAMETER | 0.430 INCHES MINIMUM AND 0.433 INCHES MAXIMUM |
| PILOT LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| NUT DIAMETER | 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM |
| NUT HEIGHT | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| 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) |