| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 1.650 INCHES MINIMUM AND 1.686 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66 COMPOSITION AISI C1070 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 1.894 INCHES MINIMUM AND 1.914 INCHES MAXIMUM |
| RING STYLE | SPECIAL FLAT |
| STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| SURFACE TREATMENT | PHOSPHATE |
| USAGE DESIGN | INTERNAL |