3386F-1-504TLF is a 3/8" square single-turn cermet trimming potentiometer designed for precision resistance adjustment in industrial applications. It features a 500 kO resistance value with ±10% tolerance, a 280° nominal adjustment angle, and infinite resolution for fine-tuning. The top adjust F-style configuration provides convenient access with a 0.5 watt power rating at 85°C and operates over a temperature range of -55°C to +125°C. This sealed potentiometer offers excellent environmental performance including vibration resistance up to 30 G and shock resistance up to 100 G. Common applications include circuit calibration, voltage divider adjustments, and precision instrumentation where reliable, repeatable adjustments are required.