| COUNTERBORE DIAMETER | 0.392 INCHES MINIMUM AND 0.398 INCHES MAXIMUM FIRST END |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | SOLUBLE LUBRICANT |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.480 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9 FED SPEC 1ST MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| NOMINAL THREAD SIZE | 0.370 INCHES |
| WASHER OUTSIDE DIAMETER | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEMP RATING | 250.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 24 |