| COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM NUT |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN OR PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.340 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 1.050 INCHES MINIMUM AND 1.070 INCHES MAXIMUM |
| WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 24 |