Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 731014320(KT 209 found under Pen Recording by Graphtec America Inc. The National Stock Number assigned to this part is 7520013299074, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 731014320(KT 209.