| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| INSIDE DIAMETER | 0.683 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| MATERIAL | STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| RING STYLE | EXTERNAL INVERTED LUGS |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |
| USAGE DESIGN | EXTERNAL |