| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.3750 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| MS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.591 INCHES MINIMUM |
| OVERALL HEIGHT | 0.267 INCHES MINIMUM AND |
| 0.282 INCHES MAXIMUM |
| WASHER THICKNESS | 0.075 INCHES MINIMUM |
| WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND |
| 0.439 INCHES MAXIMUM |
| LOCKING FEATURE | FREE-RUNNING ALL METAL DESIGN |