Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 168303-1 found under Relay Electromagnet by Arrowsmith Shelburne Inc. The National Stock Number assigned to this part is 5945002265840, 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 168303-1.