| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.456 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL | STEEL NUT |
| NOMINAL THREAD SIZE | 0.3750 INCHES |
| SPECIAL FEATURES | CAPTIVE WASHER IS FREE TO ROTATE; AXIAL STRENGTH 5,050 LBS; 140 KSI ULTIMATE TENSILE STRENGTH; WASHER MATERIAL STEEL 300 SERIES; WASHER STANDARD QQ-S-763 |
| WASHER OUTSIDE DIAMETER | 0.680 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| WASHER THICKNESS | 0.164 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2418 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | COPPER ALLOY OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |