| CASEHARDENING INDICATOR | NOT CASE-HARDENED |
| CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| INSIDE DIAMETER | 3.186 INCHES MINIMUM AND 3.211 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 3.537 INCHES MINIMUM AND 3.628 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.058 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-5059, TYPE 302 MIL SPEC 2ND MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 72.0 ROCKWELL C MINIMUM AND 74.9 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 302 |
| NONDEFINITIVE SPEC/STD DATA | B TYPE AND 1 CLASS |
| RING STYLE | SPECIAL FLAT |
| USAGE DESIGN | INTERNAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PASSIVATE |