| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.511 INCHES NOMINAL |
| HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| HOLE DIAMETER | 1.266 INCHES MINIMUM AND 1.297 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| STYLE DESIGNATOR | KEY |