| COUNTERBORE DIAMETER | 0.218 INCHES MINIMUM AND 0.223 INCHES MAXIMUM NUT |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| LUBRICATION | SOLUBLE LUBRICANT |
| NUT COUNTERBORE DEPTH | 0.063 INCHES NOMINAL NUT |
| NUT HEIGHT | 0.313 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 COMP A TY 1 MIL SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE OR STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| PILOT DIAMETER | 0.273 INCHES MINIMUM AND 0.277 INCHES MAXIMUM |
| PILOT LENGTH | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| THREAD SERIES | UNF |
| THREAD QUANTITY PER INCH | 32 |
| WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| TEMP RATING | 250.0 FAHRENHEIT NOMINAL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |