| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | ALUMINUM ALLOY 2024 OR |
| ALUMINUM ALLOY 6061 OR |
| ALUMINUM ALLOY 6262 OVERALL |
| NUT STYLE | HEXAGON |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| BEARING SURFACE TYPE | CHAMFERED OR |
| WASHER FACED |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2B |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A225/8 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A225/10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TY2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT HEIGHT | 0.320 INCHES MINIMUM AND |
| 0.415 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.551 INCHES MINIMUM AND |
| 0.645 INCHES MAXIMUM |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SPEC/STD CONTROLLING DATA | |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-45913/2 |
| MANUFACTURERS CODE | 81349 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | M45913/2-6FAA |