| COUNTERSINK ANGLE | 120.0 DEGREES MAXIMUM WASHER |
| OVERALL HEIGHT | 0.154 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | DRY FILM LUBRICANT |
| WASHER OUTSIDE DIAMETER | 0.330 INCHES NOMINAL |
| WASHER THICKNESS | 0.015 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-M-25027 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |