The 81A1A-B28-A15L is a 1-turn, 1-gang through-hole rotary potentiometer featuring a metal shaft and bushing. Its panel mount is a 5/8-inch square, suitable for through-hole mounting. This potentiometer provides essentially infinite resolution, has printed circuit terminals, a linear tap taper, and a screwdriver slot for adjustment. It operates across a temperature range from -40°C to 125°C.