Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 280 10031 4991 found under Resistor Chip Fixed Film by The Boeing Company. The National Stock Number assigned to this part is 5905016250145, 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 280 10031 4991.