Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XC4013E-4PG223B found under Microcircuit Memory by Xilinx Inc. The National Stock Number assigned to this part is 5962014639253, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XC4013E-4PG223B.