Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PC 251 23A found under Inverter Power Stat by Marathonnorco Aerospace Inc. The National Stock Number assigned to this part is 6130014090533, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PC 251 23A.