| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.543 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL | IRON ALLOY 660 NUT |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 WASHER |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| WASHER THICKNESS | 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| WASHER OUTSIDE DIAMETER | 0.805 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.564 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 | UNJF |
| THREAD QUANTITY PER INCH | 20 |