| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.474 INCHES NOMINAL |
| HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 75.0 ROCKWELL B MAXIMUM |
| HOLE DIAMETER | 1.127 INCHES MINIMUM AND 1.137 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.0895 INCHES MINIMUM AND 0.0965 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OVERALL |
| OUTSIDE DIAMETER | 2.094 INCHES MINIMUM AND 2.156 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |