Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W-4D80 GTB found under Work Station Computer Graphics by Silicon Graphics Inc. The National Stock Number assigned to this part is 7010013413848, and the Federal Supply Class is 7010 Adpe System Configuration. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W-4D80 GTB.