| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.1830 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HEAT TREATMENT | AS FABRICATED |
| HOLE DIAMETER | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.119 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 1 |
| OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.052 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 32.0 MICROINCHES BOTTOM |
| SURFACE FINISH | 32.0 MICROINCHES TOP |