Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 489-1411M found under Index Sheet Set Loose Leaf Binder by Acco Usa Inc Co. The National Stock Number assigned to this part is 7530004587620, 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 489-1411M.