Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 24331-974U found under Resistor Fixed Composition by Marconi Instruments Ltd. The National Stock Number assigned to this part is 5905008797776, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 24331-974U.