Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S221A441G08 found under Semiconductor Devic by Westinghouse Electric Corp. The National Stock Number assigned to this part is 5961007985416, 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 S221A441G08.