| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 2.920 INCHES MINIMUM AND 2.945 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD NO 66,AISI 1070 THRU 1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 3.276 INCHES MINIMUM AND 3.301 INCHES MAXIMUM |
| RING STYLE | SPIRAL |
| STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| SURFACE TREATMENT | PHOSPHATE |
| USAGE DESIGN | INTERNAL |