| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | COPPER ALLOY 360 LOCKING INSERT |
| PLASTIC POLYHEXAMETHYLENE AMIDE OR |
| PLASTIC POLYCAPROLACTAM NUT |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| BEARING SURFACE TYPE | CHAMFERED |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES NUT |
| SURFACE TREATMENT | NICKEL OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT HEIGHT | 0.229 INCHES MINIMUM AND |
| 0.249 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.367 INCHES MINIMUM AND |
| 0.376 INCHES MAXIMUM |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |