MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.473 inches and 0.478 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
Between 0.672 inches and 0.703 inches
External Prebent Key Length:
Between 0.078 inches and 0.109 inches
External Prebent Key Width:
Between 0.078 inches and 0.109 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.060 inches and 0.066 inches
Distance From Centerline To Top Of Internal Key:
0.203 inches