Lock Washer Part# 480005LW

The Busch Lock Washer, identified by Part# 480005LW, is a component used on various Busch pump models, including AA10, AA100WN, AA20, AA70W, WV250B, WV250C, WV500B, and WV500C. The Lock Washer serves as a securing device that prevents loosening or rotation of threaded fasteners within the pump assembly. By providing a reliable locking mechanism, the Lock Washer enhances the overall stability and integrity of the pump assembly. It helps to maintain proper tension and prevent the loosening of critical fasteners, ensuring the pump operates safely and efficiently.