Potentiometer, otherwise known as fader. This fader was used in the following products and is surface mounted to the circuit board:
Acclaim Consoles, Expression 2X and 3 Consoles, Microvision Consoles, DAS Snapshot Stations, Insight, Insight2 and Insight3 Consoles.
Appears on packing slip as: SLIDE 10K 60mm DUAL LP ALPS
All prices are in USD.