This listing is for a Beckman Helipot 10 turn potentiometer.

Make: Beckman Ind / Helipot

Model: A

Value: 500 Ohm

Linear Tolerance: 0.1%

Resistance Tolerance: 3%

Body Diameter: 1.8"

Body Length: 1.95

Shaft Diameter: 0.25"

Thanks for looking!!!