| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| INSIDE DIAMETER | 0.175 INCHES MINIMUM AND 0.181 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| MATERIAL | COPPER ALLOY 170 OR COPPER ALLOY 172 |
| RING STYLE | EXTERNAL |
| SURFACE TREATMENT | PHOSPHATE ZINC |
| USAGE DESIGN | EXTERNAL |