| MATERIAL | ALUMINUM ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE | OCTAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| LENGTH | 1.313 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) |
| UNC RIGHT INTERNAL |
| NOMINAL THREAD SIZE | 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.112 INCHES RIGHT INTERNAL |
| THREAD QUANTITY PER INCH | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| 40 RIGHT INTERNAL |
| THREAD CLASS | 3A LEFT INTERNAL (INCLUDES THRU THREAD) |
| 3A RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| RIGHT-HAND RIGHT INTERNAL |
| THREAD LENGTH | 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) |
| 0.250 INCHES MINIMUM RIGHT INTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | POST,ELECTRICAL MECHANICAL EQUIPMENT |