Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5023ZB31K601F found under Resistor Fixed Film by North American Philips Corp. The National Stock Number assigned to this part is 5905012219864, 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 5023ZB31K601F.