| CASEHARDENING INDICATOR | CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| INSIDE DIAMETER | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 |
| OUTSIDE DIAMETER | 0.276 INCHES MINIMUM AND 0.282 INCHES MAXIMUM |
| PRECIOUS MATERIAL AND LOCATION | OVERALL SILVER |
| PRECIOUS MATERIAL | SILVER |
| RING STYLE | ANGULAR CAP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | SILVER |
| USAGE DESIGN | EXTERNAL |