| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| CROSS-SECTIONAL SHAPE STYLE | ROUNDED CORNERS |
| END STYLE | 90 DEGREE PARALLEL |
| INSIDE DIAMETER | 3.220 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.570 INCHES MINIMUM AND 3.590 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE AND ASTM A684 ASSN STD 2ND MATERIAL RESPONSE AND QQ-S-700, COMP 1095 FED SPEC 3RD MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 4130 OR STEEL OR STEEL COMP 1095 |
| SPECIAL FEATURES | 5 HOLES 0.040 IN. MIN 0.060 IN. MAX |
| RING STYLE | INTERNAL |
| USAGE DESIGN | EXTERNAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FP-68,TYPE 1 CAGEC 70210 MFR REF 2ND TREATMENT RESPONSE OR MIL-C-8837 TYPE 2 CLASS 2 MIL SPEC 4TH TREATMENT RESPONSE |
| SURFACE TREATMENT | CADMIUM AND TITANIUM ALLOY AND CADMIUM AND CHROMATE |