| COUNTERBORE DIAMETER | 0.228 INCHES NOMINAL FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COND A MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,COND A FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582,COND A ASSN STD 3RD MATERIAL RESPONSE OR ASTM A484,COND A ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT COUNTERBORE DEPTH | 0.203 INCHES NOMINAL FIRST END |
| NUT DIAMETER | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| NUT HEIGHT | 0.377 INCHES NOMINAL |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.250 INCHES NOMINAL |
| PILOT DIAMETER | 0.278 INCHES MINIMUM AND 0.282 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 | 24 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |