| OVERALL HEIGHT | 0.615 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.5625 INCHES |
| NUT STYLE | DOUBLE HEXAGON |
| WASHER OUTSIDE DIAMETER | 0.958 INCHES MINIMUM AND 0.968 INCHES MAXIMUM |
| WASHER THICKNESS | 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 1200.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 18 |