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, pointer type, adjustability, pointer color, case material, case surface treatment, o/a dia, o/a depth, bezel type, material, surface treatment, protective crystal material, connection qty, connection type, connection location, connection size, mounting hole qty, bolt circle dia, mounting hole die, mounting method