Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S100-3 found under Solenoid Assy Hyd by Downey Manufacturing Inc. The National Stock Number assigned to this part is 5945009531090, 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 S100-3.