Panel Mount 10K Dual Log Potentiometer [10K Dual Log] : ID 3394 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Alpha Single-Gang 16mm Right-angle PC Mount - 250K Linear [RV16AF-41-15R1-250K-30H4] : ID 5276 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
led - How to wire up 6 pin potentiometers - Electrical Engineering Stack Exchange