3/4" rectangular multi-turn cermet style potentiometer, side adjust
Manufacturer part#
Brand name(s) : Vishay Spectrol

Image for illustrative purpose only. Sold as the individual piece

Features
20 turn 3/4 watt @ 70c
Dielectric withstanding : 1000v ac
Insulation test: 1000M ohm
Operating temperature : -55c to 125c