| COUNTERBORE DIAMETER | 0.213 INCHES MINIMUM AND 0.216 INCHES MAXIMUM SECOND END |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| MATERIAL | STEEL COMP 1211 OR STEEL COMP 4130 OR STEEL COMP 1018 NUT |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT COUNTERBORE DEPTH | 0.105 INCHES NOMINAL FIRST END |
| NUT HEIGHT | 0.287 INCHES MINIMUM AND 0.299 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.220 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| PILOT LENGTH | 0.099 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 32 |