| BEARING SURFACE TYPE | FLAT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT HEIGHT | 0.133 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| NUT STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| MATERIAL | STEEL COMP 1137 NUT |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 40 |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 81349-MIL-N-25027 GOVERNMENT SPECIFICATION |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | Q-P-416,TYPE 2,CLASS 3 FED SPEC 13TH TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | PASSIVATE NUT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2B |