Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X1404A found under Smart Card Sun by Sun Microsystems Inc. The National Stock Number assigned to this part is 7025015649520, and the Federal Supply Class is 7025 Adp Input Output And Storage Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X1404A.