| OVERALL HEIGHT | 0.425 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | 6 SLOTS 0.068 TO 0.088 WIDTH EQUALLY SPACED AND LOCATED WITHIN 2 DEG OF TRUE ANGULAR POSITION |
| WASHER OUTSIDE DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| WASHER THICKNESS | 0.175 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.302 INCHES MINIMUM AND 0.314 INCHES MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNF |