| CASEHARDENING INDICATOR | NOT CASEHARDENED |
| CROSS-SECTIONAL SHAPE STYLE | BEVELED ONE INSIDE CORNER |
| INSIDE DIAMETER | 2.745 INCHES MINIMUM AND 2.795 INCHES MAXIMUM |
| MAJOR THICKNESS | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 8TH MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| MATERIAL | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| MINOR THICKNESS | 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| RING STYLE | EXTERNAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232, TYPE Z, CLASS 2 DEF STAN/SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PHOSPHATE ZINC |
| USAGE DESIGN | EXTERNAL |