MRC:
Indicates the designed use of the item.ALCD
Usage Design:
W/air, water, steam, oil or any gas or liquid not corrosive to bronze
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, case material, case surface treatment, diameter, height, depth, bezel type, material, surface treatment, connection quantity, connection type, connection location, mounting method, bolt circle diameter, mounting hole quantity, and mounting hole diameter