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 17.969 inches and 18.031 inches
MRC:
The length of a straight line which passes through the center of an aperture,and terminates at the circumference.ABVL
Aperture Diameter:
Between 16.031 inches and 16.093 inches
MRC:
A measurement of the smallest dimension of a cross section,in distinction from length or width.ADVM
Cross-sectional Thickness:
Between 0.170 inches and 0.180 inches
MRC:
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.CRTL
Criticality Code Justification:
Zzzy
MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
