Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 599 20 61 found under Disk Nonflexible by Sun Microsystems Inc. The National Stock Number assigned to this part is 7045014657353, 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 599 20 61.