MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
Between 2.973 inches and 3.003 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 4.173 inches and 4.203 inches
MRC:
The measurement from one flat surface of the key to the opposite flat surface.ABLJ
Internal Straight Key Width:
Between 0.250 inches and 0.290 inches
Distance From Centerline To Top Of Internal Key:
1.336 inches
MRC:
The number of internal keys included.ABMR
Internal Key Quantity:
1
MRC:
A measurement of the smallest dimension of the material,in distinction from length or width.ABPX
Material Thickness:
Between 0.218 inches and 0.238 inches
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 bottom
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 1008 or steel comp 1025
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-s-631 federal specification all material responses
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Key
