Memcor RHW25A35 Rheostat. 

Resistance: 35 Ohm. 

Power: 25 watt. 

Amperes: .85 Amp. 

Mount: Panel, bushing. 

Contacts: solder terminals. 

Carbon Contact is spring loaded for Superior Contact. Shaft with Lock,

Typical Usages are Industrial Controls, Power Supplies, Motor Control, HIFI Audio