The London, Midland and Scottish Railway (LMS) Stanier Class 5 4-6-0, commonly known as the Black Five, is a class of 4-6-0 steam locomotives. It was introduced by William Stanier and built between 1934 and 1951. A total of 842 were built, initially numbered 4658-5499 then renumbered 44658–45499 by BR. Several members of the class survived to the last day of steam on British Railways in 1968, and eighteen are preserved.