The Spacer (OEM Part No. 3128323006) is a spare part designed for underground drilling equipment. Manufactured from durable alloy steel, it is categorized as a mechanical component used in the rotary transmission and support system at the shaft assembly position. This precision-machined spacer maintains correct positioning and spacing between rotating components, ensuring proper alignment and smooth operation of mechanical assemblies. Designed to withstand vibration, pressure, and continuous operating loads, it improves assembly stability, reduces component stress, and supports reliable power transmission performance in demanding mining applications.