| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/5 T4 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/3 T3 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2011 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.250 INCHES RIGHT INTERNAL |
| WIDTH ACROSS FLATS | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.500 INCHES NOMINAL RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 28 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 28 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNF RIGHT INTERNAL |