The Spline Lock Washer (OEM Part No. 18701) is a mechanical spare part designed for locking and retaining components within spline connections. Manufactured from durable steel, it helps prevent unwanted movement and maintain secure positioning between connected parts during equipment operation. The 18701 spline lock washer is designed for demanding mining and heavy-duty equipment applications where vibration, mechanical loads, and repeated operation are common. It is suitable for maintenance, repair, and replacement applications requiring dependable mechanical retention. This aftermarket replacement spline lock washer provides a practical solution for restoring secure mechanical connections, maintaining proper component positioning, and supporting the reliable operation of compatible mining equipment.