| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| COUNTERBORE DIAMETER | 0.905 INCHES MINIMUM AND 0.915 INCHES MAXIMUM NUT |
| MATERIAL | IRON ALLOY 660 NUT |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| NUT COUNTERBORE DEPTH | 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM NUT |
| NUT STYLE | FLAT WITH TURNED BACK EDGE |
| OVERALL HEIGHT | 0.911 INCHES MINIMUM AND 0.951 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 450.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 16 |
| WASHER OUTSIDE DIAMETER | 1.253 INCHES MINIMUM AND 1.283 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |