Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NO 100 20FT 8IN found under Chain Roller by Union Chain. The National Stock Number assigned to this part is 3020014360030, 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 NO 100 20FT 8IN.