| COUNTERBORE DIAMETER | 0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| PILOT DIAMETER | 0.430 INCHES MINIMUM AND 0.433 INCHES MAXIMUM |
| PILOT LENGTH | 0.177 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.216 INCHES |
| NUT DIAMETER | 0.528 INCHES MINIMUM AND 0.534 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.428 INCHES MINIMUM AND 0.443 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.610 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| SPECIAL FEATURES | FURNISHED WITH SPRING |
| 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 | 24 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |