| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | GROOVED INSIDE CORNER |
| END STYLE | 90 DEGREE PARALLEL |
| INSIDE DIAMETER | 12.482 INCHES MINIMUM AND 12.487 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.258 INCHES MINIMUM AND 0.263 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 |
| MINOR THICKNESS | 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 12.740 INCHES MINIMUM AND 12.750 INCHES MAXIMUM |
| RING STYLE | STRAIGHT GAP |
| SURFACE TREATMENT | ANODIZE |
| USAGE DESIGN | INTERNAL |