Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F556PC39 found under Sleeve Solenoid Val by Emerson Electric Co. The National Stock Number assigned to this part is 4810005643431, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F556PC39.