| MATERIAL | ALUMINUM ALLOY 6061 OR | 
|  | ALUMINUM ALLOY 2024 OR | 
|  | ALUMINUM ALLOY 2011 STANDOFF | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OR | 
|  | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OR | 
|  | QQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF | 
| SURFACE TREATMENT | ANODIZE OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TY 1 OR TY 2, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF | 
| CROSS-SECTIONAL SHAPE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.3070 INCHES MINIMUM AND | 
|  | 0.3190 INCHES MAXIMUM | 
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS | 
| LENGTH | 3.4950 INCHES MINIMUM AND | 
|  | 3.5050 INCHES MAXIMUM | 
| THREAD SERIES DESIGNATOR | UNC LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | UNC RIGHT INTERNAL | 
| NOMINAL THREAD SIZE | 0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.1640 INCHES RIGHT INTERNAL | 
| THREAD QUANTITY PER INCH | 32 LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 32 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 | 0.4380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) | 
|  | 0.4380 INCHES NOMINAL RIGHT INTERNAL |