The McCormick 3712133M3 is a genuine OEM hexagon nut, featuring an M16 x 1.5 thread. This robust fastening component is designed for secure applications across a wide range of agricultural machinery, including numerous Massey Ferguson, McCormick, and Landini tractor and equipment models. It supersedes part numbers 3712133M2 and 3712133M1, ensuring broad compatibility and reliable performance. With a height of 13.0 mm, a width of 24.0 mm, and a weight of 0.03 kg, it provides a precise fit.