| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| END STYLE | VERTEX BELOW CENTER |
| INSIDE DIAMETER | 3.479 INCHES MINIMUM AND 3.541 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.107 INCHES MINIMUM AND 0.111 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66,AISI C1060 THRU C1095 OR SAE 1060 THRU 1095 FED STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 43.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 3.973 INCHES MINIMUM AND 4.047 INCHES MAXIMUM |
| RING STYLE | STRAIGHT GAP |
| USAGE DESIGN | EXTERNAL |