| BEARING SURFACE TYPE | CHAMFERED |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | STEEL COMP 303 OVERALL EXCEPT INSERT |
| NOMINAL THREAD SIZE | 0.086 INCHES |
| NUT HEIGHT | 0.133 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| SPECIAL FEATURES | TENSILE STRENGTH SHALL BE 70 KSI; SURFACE TEXTURE SHALL BE RA 125 MICROINCHES PER ANSI/ASME B46.1 |
| 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 EXCEPT INSERT |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 56 |