| EXTERNAL PREBENT KEY WIDTH | 2.920 MILLIMETERS NOMINAL |
| EXTERNAL KEY QUANTITY | 6 |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| OUTSIDE DIAMETER | 13.490 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | 30 INTERNAL SERRATIONS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |