| HARDNESS RATING | 130.0 BRINELL STANDARD MINIMUM AND 180.0 BRINELL STANDARD MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT HEIGHT | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.313 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | -65.0 CELSIUS MINIMUM AND 200.0 CELSIUS MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNC |