| MATERIAL | ALUMINUM ALLOY 2024 OR |
| ALUMINUM ALLOY 2017 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3 T4 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-A-225/5 T4 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE | ROUND |
| DIAMETER | 0.250 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| LENGTH | 3.620 INCHES MINIMUM AND |
| 3.630 INCHES MAXIMUM |
| LEFT COUNTERBORE DEPTH | 0.094 INCHES NOMINAL |
| LEFT COUNTERBORE DIAMETER | 0.171 INCHES MINIMUM AND |
| 0.177 INCHES MAXIMUM |
| RIGHT COUNTERBORE DEPTH | 0.094 INCHES NOMINAL |
| RIGHT COUNTERBORE DIAMETER | 0.171 INCHES MINIMUM AND |
| 0.177 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
| UNC RIGHT INTERNAL |
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.138 INCHES RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 32 RIGHT INTERNAL |
| THREAD CLASS | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| 3B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.375 INCHES NOMINAL RIGHT INTERNAL |