| THREAD SERIES | UNC |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2B |
| MATERIAL | STEEL CORROSION RESISTING LOCKING INSERT |
| ALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OR |
| QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT | CHROMATE OVERALL EXCEPT INSERT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| NUT STYLE | STRIP |
| MATERIAL THICKNESS | 0.500 INCHES NOMINAL |
| NUT LENGTH | 7.720 INCHES MINIMUM AND |
| 7.780 INCHES MAXIMUM |
| NUT WIDTH | 0.500 INCHES NOMINAL |
| APERTURE QUANTITY | 8 |