Description:

3.062 inches outside diameter, center hole attachment method, 1.1872 inches mounting hole diameter, fire control torpedo data computer end item identification.

Properties:

An item intended to be mounted on or associated with a rotating shaft or similar device to determine relative position or definite dial and/or scale readings. Positioning may be indicated by the shape of the item or by a reference line thereon. Excludes cursor, indicator and knob.