The Case IH 87413921 is a genuine OEM hex flange nut, featuring an M12 x 1.75 thread, designed for robust and secure fastening applications across a wide range of Case IH and New Holland agricultural and construction equipment. This high-quality nut ensures reliable performance and proper fitment, critical for maintaining machinery integrity and preventing loosening under vibration. It is an essential component for various assemblies, providing a strong and durable connection.