| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY REVISION 6 |
| OUTSIDE DIAMETER | 1.610 INCHES MINIMUM AND 1.637 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 NOS. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL |
| RING STYLE | INTERNAL |
| USAGE DESIGN | INTERNAL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |