| COUNTERBORE DIAMETER | 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | A286,FSCM 80205 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT COUNTERBORE DEPTH | 0.040 INCHES NOMINAL NUT |
| NUT DIAMETER | 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM |
| NUT HEIGHT | 0.157 INCHES MINIMUM AND 0.173 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM |
| PILOT DIAMETER | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| PRECIOUS MATERIAL AND LOCATION | 0VERALL SILVER |
| PRECIOUS MATERIAL | SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| TEMP RATING | 900.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |