| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.895 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| HOLE DIAMETER | 2.005 INCHES MINIMUM AND 2.010 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.189 INCHES MINIMUM AND 0.191 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4340 OVERALL |
| OUTSIDE DIAMETER | 2.625 INCHES NOMINAL |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |