| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | F3025 AIR 9160C MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 35CD4 OVERALL |
| NOMINAL THREAD SIZE | 6.35 MILLIMETERS |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 5.33 MILLIMETERS NOMINAL |
| WASHER OUTSIDE DIAMETER | 10.33 MILLIMETERS NOMINAL |
| WASHER THICKNESS | 0.48 MILLIMETERS MINIMUM |
| WIDTH ACROSS FLATS | 7.82 MILLIMETERS MINIMUM AND 8.02 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL AND DICHROMATE OVERALL |
| TEMP RATING | 232.0 DEG CELSIUS NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 0.91 |
| THREAD TOLERANCE CLASS | 3B INTERNAL |
| THREAD SERIES | UNF |