| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 2.951 INCHES MINIMUM AND 2.991 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.060 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO. 66,AISI C1070 THRU 1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 51.5 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 3.311 INCHES MINIMUM AND 3.341 INCHES MAXIMUM |
| RING STYLE | SPECIAL FLAT |
| STRENGTH RATING | 211000.000 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| SURFACE TREATMENT | CADMIUM AND CHROMATE |
| USAGE DESIGN | INTERNAL |