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, of which 842 were built and were numbered 4658-5499 (BR then renumbered 44658-45499). Several members of the class survived to the last day of steam on British Railways in 1968, and eighteen are preserved.