Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A9-50216 found under File Disk Flexible by Acco Industries Inc. The National Stock Number assigned to this part is 7045012832477, and the Federal Supply Class is 7045 Adp Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A9-50216.