Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PRE-FORMAT 3-1 2 INCH DIA. HD found under Disk Flexible by Imation Corp. The National Stock Number assigned to this part is 7045013726885, 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 PRE-FORMAT 3-1 2 INCH DIA. HD.