| THREAD SERIES | UNJC |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
| STEEL COMP 303 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.273 INCHES MINIMUM AND |
| 0.277 INCHES MAXIMUM |
| PILOT LENGTH | 0.159 INCHES MINIMUM AND |
| 0.171 INCHES MAXIMUM |
| NUT HEIGHT | 0.415 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT COUNTERBORE DEPTH | 0.165 INCHES NOMINAL FIRST END |
| COUNTERBORE DIAMETER | 0.264 INCHES MINIMUM AND |
| 0.267 INCHES MAXIMUM SECOND END |
| LUBRICATION | SOLUBLE LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-N-45938/8 |