Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3433-AY2-B found under Relay Main Power by Shiloh Industries Inc. The National Stock Number assigned to this part is 5945011737998, 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 3433-AY2-B.