Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TC349 found under Chain Roller by Liberty Ventures Inti Llc. The National Stock Number assigned to this part is 3020011950396, 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 TC349.