| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| EXTERNAL STRAIGHT KEY WIDTH | 0.107 INCHES MINIMUM AND 0.112 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 3 |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.410 INCHES MINIMUM AND 0.420 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| OUTSIDE DIAMETER | 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |