Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LMX5A found under Wheel Heel Sanding Shoe Finishin by Sutton Landis Shoe Machinery Co. The National Stock Number assigned to this part is 3520003598135, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LMX5A.