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:
As differentiated by scale type, dial size, scale marking, pointer type, pointer marking, pointer color, adjustability, scale name for which pointer is designed, case surface treatment, dia, ht, depth, bezel type, material, surface treatment, protective crystal material, connection quantity, connection type, connection location, connection size, mounting method, bolt circle dia, mounting hole quantity, stud quantity, and stud location
