The John Deere R53317 is a genuine OEM lock nut designed for reliable and secure fastening across a wide range of John Deere agricultural and construction equipment. Featuring a 5/16 inch (7.9375 mm) thread, this robust nut ensures components remain tightly secured, preventing loosening due to vibration and operational stress. Manufactured to John Deere's stringent quality standards, the R53317 provides precise fitment and long-lasting performance, crucial for maintaining machine integrity and operational safety. Ideal for repairs and routine maintenance, this lock nut is a critical component for many John Deere models.