| MATERIAL | ALUMINUM ALLOY OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8(UNS A96062)T6,QQ-A-225/6(UNS A92024)T4 OR QQ-A-225/3(UNS A92011)T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| SURFACE TREATMENT | ANODIZE OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE I OR II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| CROSS-SECTIONAL SHAPE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.182 INCHES MINIMUM AND | 
|  | 0.194 INCHES MAXIMUM | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS | 
| LENGTH | 0.245 INCHES MINIMUM AND | 
|  | 0.255 INCHES MAXIMUM | 
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | UNC RIGHT INTERNAL | 
| NOMINAL THREAD SIZE | 0.0860 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.0860 INCHES RIGHT INTERNAL | 
| THREAD QUANTITY PER INCH | 56 LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 56 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 | 0.188 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.188 INCHES MINIMUM RIGHT INTERNAL | 
| SPECIFICATION/STANDARD DATA | 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
| PART NAME ASSIGNED BY CONTROLLING AGENCY | POST,ELECTRICAL-MECHANICAL EQUIPMENT |