| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A581 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| PILOT DIAMETER | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| PILOT LENGTH | 0.042 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.086 INCHES |
| NUT HEIGHT | 0.287 INCHES NOMINAL |
| NUT STYLE | CLINCH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 15TH TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.181 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |