| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE LOCKING INSERT |
| STEEL COMP 303 OR |
| STEEL COMP 303SE OVERALL EXCEPT INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT STYLE | SPLINE |
| PILOT DIAMETER | 0.273 INCHES MINIMUM AND |
| 0.277 INCHES MAXIMUM |
| PILOT LENGTH | 0.099 INCHES MINIMUM AND |
| 0.111 INCHES MAXIMUM |
| NUT HEIGHT | 0.334 INCHES MINIMUM AND |
| 0.376 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND |
| 0.377 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT COUNTERBORE DEPTH | 0.099 INCHES MINIMUM AND |
| 0.111 INCHES MAXIMUM NUT |
| COUNTERBORE DIAMETER | 0.220 INCHES NOMINAL NUT |
| TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |