Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SV431DUSBU found under Switch Electronic by Startechcom Usa Llp. The National Stock Number assigned to this part is 5930016645180, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SV431DUSBU.