| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | PLASTIC LOCKING INSERT |
| STEEL COMP 303 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI 303/SAE 30303 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| 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 | 0.190 INCHES MINIMUM AND |
| 0.194 INCHES MAXIMUM |
| PILOT LENGTH | 0.037 INCHES MINIMUM AND |
| 0.043 INCHES MAXIMUM |
| NUT DIAMETER | 0.276 INCHES MINIMUM AND |
| 0.286 INCHES MAXIMUM |
| NUT HEIGHT | 0.170 INCHES NOMINAL |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-N-45938/5A |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M45938/5-5C |