Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FC207A found under Chain Roller by E D Etnyre And Co. The National Stock Number assigned to this part is 3020002316595, 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 FC207A.