| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS-QQ-A-225/8 ASSN STD SINGLE MATERIAL RESPONSE OR AMS-QQ-A-225/6 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B 211 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2011 OVERALL |
| NOMINAL THREAD SIZE | 0.1120 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.1120 INCHES RIGHT INTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | POST, ELECTRICAL MECHANICAL EQUIPMENT |
| WIDTH ACROSS FLATS | 0.182 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-DTL-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE 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 | 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.250 INCHES MINIMUM 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 | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 40 RIGHT INTERNAL |