Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TL-18L100 found under by Twin States Industrial Distributors. The National Stock Number assigned to this part is 3020016250073, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TL-18L100.