| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.280 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5734 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5737 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
| WASHER THICKNESS | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 32 |