Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 87017-B3321F found under Resistor Network Fixed Film by Bae Systems Controls Inc. The National Stock Number assigned to this part is 5905013036049, 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 87017-B3321F.