| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 3.125 INCHES MINIMUM AND 3.175 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.509 INCHES MINIMUM AND 3.539 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-46049, COMP 1074 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049, COMP 1075 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-46049, COMP 1085 MIL SPEC 3RD MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| MATERIAL | STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1085 |
| RING STYLE | SPECIAL FLAT |
| USAGE DESIGN | INTERNAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232, TYPE Z, CLASS 2 DEF STAN/SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PHOSPHATE ZINC |