| APERTURE QUANTITY | 4 |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| MATERIAL THICKNESS | 0.500 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL EXCEPT INSERT |
| MATERIAL | STEEL COMP 304 LOCKING INSERT |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| NUT LENGTH | 2.625 INCHES NOMINAL |
| NUT STYLE | STRIP |
| NUT WIDTH | 0.500 INCHES NOMINAL |
| SURFACE TREATMENT | CHROMATE OVERALL EXCEPT INSERT |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |