Bourns 3296Z-1-102 Resistor Trimmer Potentiometer, 10% Tolerance, 1/2 Watt, 25 Turn, 2.19 mm Pin Through Hole Tube, 1k Ohm, 4.83 mm W x 10.03 mm H x 11.05 mm L (Pack of 4): Amazon.com: Industrial & Scientific
3386X-1-503LF Bourns | 50kΩ, Through Hole Trimmer Potentiometer 0.5W Side Adjust Bourns, 3386 | 167-5211 | RS Components