| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 1.157 INCHES MINIMUM AND 1.167 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.438 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 11 |
| HEAT TREATMENT | HOT ROLLED |
| HOLE DIAMETER | 2.656 INCHES NOMINAL |
| INTERNAL KEY QUANTITY | 1 |
| INTERNAL STRAIGHT KEY WIDTH | 0.301 INCHES MINIMUM AND 0.306 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.0823 INCHES MINIMUM AND 0.0971 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1010 OVERALL |
| OUTSIDE DIAMETER | 3.500 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 4.000 INCHES NOMINAL |
| SPECIAL FEATURES | TONGUES MUST BEND 90 DEG WITH OR ACROSS GRAIN WITHHOUT FRACTURING |
| STYLE DESIGNATOR | KEY |