Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FSU1004 found under Flasher Solid State by Ssac Inc. The National Stock Number assigned to this part is 5945015503807, 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 FSU1004.