| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 4137 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD ALL MATERIAL RESPONSES OR |
| MS6414 FED SPEC SINGLE MATERIAL RESPONSE OR |
| MS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE II, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.644 INCHES NOMINAL |
| OVERALL HEIGHT | 0.308 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.398 INCHES NOMINAL |
| LUBRICATION | DRY FILM LUBRICANT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SIX-POINT NUT CAPTIVE WASHER |