Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D3922 found under Semiconductor Devic by Sylvania Electric Products Inc. The National Stock Number assigned to this part is 5961009549322, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D3922.