| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 3.510 INCHES MINIMUM AND 3.550 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.108 INCHES MINIMUM AND 0.114 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 5TH MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1090 |
| OUTSIDE DIAMETER | 4.010 INCHES MINIMUM AND 4.050 INCHES MAXIMUM |
| RING STYLE | SPIRAL |
| STRENGTH RATING | 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| USAGE DESIGN | EXTERNAL |