DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 4.340 INCHES MINIMUM AND 4.360 INCHES MAXIMUM |
HARDNESS RATING | 24.0 ROCKWELL C MINIMUM |
HOLE DIAMETER | 9.000 INCHES MINIMUM AND 9.020 INCHES MAXIMUM |
INTERNAL KEY QUANTITY | 5 |
INTERNAL STRAIGHT KEY WIDTH | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM |
OUTSIDE DIAMETER | 9.530 INCHES MINIMUM AND 9.550 INCHES MAXIMUM |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL THICKNESS | 0.020 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
MATERIAL | IRON ALLOY 660 OVERALL |
STYLE DESIGNATOR | KEY |
SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES |