| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| NUT DIAMETER | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| NUT STYLE | SPLINE |
| PILOT LENGTH | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| PILOT DIAMETER | 0.366 INCHES MINIMUM AND 0.369 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2B |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 28 |