Memcor Rheostat Potentiometer 70 ohm 8437 Insulated for 300 Volt, 150 Watts

Diameter approx 4", height not counting shaft is approx 2", weighs just over 1 pound.

This has an "OFF" position.

Contact arm spring strong, contact pad good condition.

Made in USA. Removed from military issued equipment circa 1993.