| CROSS-SECTIONAL SHAPE STYLE | SHOULDERED |
| OUTSIDE DIAMETER | 1.3750 INCHES MINIMUM AND |
| 1.3850 INCHES MAXIMUM |
| CORNER SHAPE | SQUARE ALL CORNERS |
| HARDNESS RATING | 38.0 ROCKWELL C NOMINAL OVERALL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| STYLE DESIGNATOR | ROUND |