| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.136 INCHES NOMINAL |
| HOLE DIAMETER | 0.630 INCHES MINIMUM AND 0.634 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.088 INCHES MINIMUM AND 0.091 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| OUTSIDE DIAMETER | 0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | PHOSPHATE OVERALL |