| COUNTERBORE DIAMETER | 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD 2ND MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 MIL SPEC 1ST MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYCAPROLACTAM LOCKING INSERT |
| MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X NUT |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT COUNTERBORE DEPTH | 0.060 INCHES NOMINAL NUT |
| NUT DIAMETER | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| NUT HEIGHT | 0.137 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| PILOT DIAMETER | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| TEMP RATING | 350.0 FAHRENHEIT NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3B |
| THREAD SERIES | UNC |
| THREAD QUANTITY PER INCH | 40 |