Res Wirewound Rheostat 500Ω 10% 7.5W 1Elec/1MechTurn 3.18mm 13.08 X 38.11mm Solder Lug Panel Mount
500 Ohm 1 Gang Linear Panel Mount Potentiometer None 1 Kierros Wirewound 7.5W Solder Lug
Allied Electronics:
7.5 WATT MODEL C RHEOSTAT 10%
Electro Sonic:
Res Wirewound Rheostat 500 Ohm 10% 7.5W 1Elec/1MechTurn 3.18mm 13.08 X 38.11mm Solder Lug Panel Mount