Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R34-519A4P found under Relay Electromagnetic by Cascade Engine Center Llc. The National Stock Number assigned to this part is 5945002173535, 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 R34-519A4P.