Ground Nut for 408 FDU (S32015) is a fastening component designed to secure the grounding connection of the 408 Field Digitizing Unit (FDU) in seismic acquisition systems. It typically works alongside a ground clamp to ensure reliable and safe grounding. Function: The ground nut provides a secure connection point for grounding accessories, helping protect the system from electrical surges, static discharge, and noise that could interfere with data collection. Applications: Seismic data acquisition using 408 FDU Oil and gas exploration operations Static discharge protection Grounding-sensitive geophysical equipment