The McCormick 6520223M1 drain plug is a genuine OEM component designed for various agricultural tractors, including Massey Ferguson, Landini, and McCormick models. This essential plug features an M22 x 1.5 thread, a 12mm length under the head, and requires a 10mm Allen wrench for installation and removal. Constructed from durable materials, this drain plug ensures a secure seal for fluid reservoirs, preventing leaks and maintaining optimal machinery performance, meeting original equipment specifications for reliable operation.