This is a Neptune-compatible mechanical number wheel shaft assembly, designed for use in fuel or gas flow meter register heads. The rotating dials provide a precise visual count of total gallons or cubic feet dispensed. Ideal for restoring register function in aging bulk plant or delivery meters.Features:Eight rolling number dials (white with black print)Factory-aligned brass gear at one endSolid stainless shaft runs the full lengthFits Neptune mechanical register models such as 832, 4D-MD, and othersUsed in LP gas dispensers, propane delivery trucks, and petroleum flow metersA key internal component for vintage metering systems still in commercial use today.
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