Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11443673-2 found under Semiconductor Devic by Microsemi Corp Massachusetts. The National Stock Number assigned to this part is 5961014840148, 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 11443673-2.