| COUNTERBORE DIAMETER | 0.147 INCHES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| LUBRICATION | SOLUBLE LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 303 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 NUT |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT COUNTERBORE DEPTH | 0.165 INCHES NOMINAL NUT |
| NUT HEIGHT | 0.306 INCHES NOMINAL |
| NUT STYLE | CLINCH |
| PILOT LENGTH | 0.159 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| PILOT DIAMETER | 0.187 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE NUT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 40 |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |