250 ohm 24mm diameter linear potentiometer, 9mm long 1/4 inch 6.35mm diameter shaft, thread 9.53mm ( 0.375" ) x 32 NEF-2A

Specifications: Power Rating 2W, Tol 10%, conductive plastic, 25000 cylcles.  For more information please see the Honeywell 53C3250 Data Sheet

These are high quality Clarostat / Honeywell brand. Old P# 380C-1 250, New P# 53C3250

We can generally supply this product in higher quantities and other standard resistance values in around 3 weeks, POA.