| HARDNESS RATING | 90.0 ROCKWELL B MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.086 INCHES |
| NUT DIAMETER | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| NUT HEIGHT | 0.125 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM |
| PILOT DIAMETER | 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81349--45938/3-2C GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEMP RATING | 600.0 FAHRENHEIT MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 56 |
| THREAD SERIES | UNJC |