Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1120 MXL 012 found under Belt Positive Drive by L 3 Communications Klein Associates. The National Stock Number assigned to this part is 3030123435479, and the Federal Supply Class is 3030 Belting Drive Belts Fan Belts And Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1120 MXL 012.