| CROSS-SECTIONAL SHAPE | HEXAGON |
| LEFT SLOT DEPTH | 0.375 INCHES NOMINAL |
| LEFT SLOT WIDTH | 0.138 INCHES NOMINAL |
| LENGTH | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/3, T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OVERALL |
| NOMINAL THREAD SIZE | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.138 INCHES RIGHT INTERNAL |
| RIGHT SLOT DEPTH | 0.375 INCHES NOMINAL |
| RIGHT SLOT WIDTH | 0.138 INCHES NOMINAL |
| SPECIAL FEATURES | MAX DEPTH OF DRILL HOLE OPTIONAL - POSTS MAYBE THREADED THEIR ENTIRE LENGTH |
| WIDTH ACROSS FLATS | 0.307 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| 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 | 0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.375 INCHES NOMINAL RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 32 RIGHT INTERNAL |