| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE | HEXAGON |
| WIDTH ACROSS FLATS | 0.2500 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| LENGTH | 0.4000 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
| UNC RIGHT INTERNAL |
| NOMINAL THREAD SIZE | 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.1120 INCHES RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 40 RIGHT INTERNAL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 1.5000 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| 1.5000 INCHES NOMINAL RIGHT INTERNAL |
| SPECIAL FEATURES | THERE ARE TWO HELICAL INSERT COIL, CRES. LUB. 0.112-40UNC-2B X 1.5 L |