| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| CROSS-SECTIONAL SHAPE STYLE | ROUNDED CORNERS |
| OUTSIDE DIAMETER | 1.615 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 4130 |
| RING STYLE | INTERNALLY NOTCHED |
| SPECIAL FEATURES | FIVE 0.040 MIN AND 0.060 IN. MAX DIA HOLES UNEQUALLY SPACED ON BEARING SURFACE |
| USAGE DESIGN | EXTERNAL |
| SURFACE TREATMENT | CADMIUM AND TITANIUM ALLOY AND CADMIUM AND CHROMATE |