| EXTERNAL PREBENT KEY WIDTH | 0.104 INCHES NOMINAL |
| EXTERNAL KEY QUANTITY | 8 |
| HOLE DIAMETER | 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| INTERNAL PREBENT KEY LENGTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| INTERNAL PREBENT KEY WIDTH | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT | PASSIVATE OVERALL |