The ZOELLER PUMP Lock Washer, measuring .438" and featuring a split design, is constructed from high-quality stainless steel for durability and corrosion resistance. This essential component is designed to provide secure fastening in various pump applications, ensuring reliable operation. Its precise dimensions allow for easy installation and compatibility with a range of ZOELLER pump models. Meeting industry standards for quality, this lock washer is a must-have for professionals seeking to maintain the integrity of their pump systems.