Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 661833-1 found under Semiconductor Devic by Lucas France Sa Div Aerospace France. The National Stock Number assigned to this part is 5961008123748, 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 661833-1.