Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 03B011BC1-0163 found under Relay Electromagnet by Airpax. The National Stock Number assigned to this part is 5945005563707, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 03B011BC1-0163.