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Navy special project
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 0.631 inches and 0.633 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:
1.140 inches
External Straight Key Width:
1.140 inches
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
Between 0.069 inches and 0.071 inches
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 55.0 rockwell c and 59.0 rockwell c
MRC:
Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.CSYM
Surface Finish:
63.0 microinches outer
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1090 or steel comp 1095
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1090 or steel comp 1095
Distance From Centerline To End Of Key:
Between 0.655 inches and 0.660 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key