Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 98-440C-LR34 found under Lance Assy Ignition by Frederick Cowan And Company Inc. The National Stock Number assigned to this part is 4410014623987, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 98-440C-LR34.