WITH NUT AND WASHER. QUALITY LABORATORY GRADE USED ELECTRONICS. INCLUDES MOUNTING NUTS. 3 SOLDER LEGS. SHAFT IS 3/8" LONG FROM MOUNTING BUSHING.
Here is a 200 ohm pot from Allen Bradley. This pot is LINEAR . very smooth.
I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. The lines show how the tube conducts throughout that range.
This pot is LINEAR.2 WATTS. very smooth.
This pot is LINEAR. very smooth. I will work with you in good faith if there are any problems, or if you are unsatisfied in any way.