Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WW8454437PC66 found under Stem Fluid Valve by General Electric Co. The National Stock Number assigned to this part is 4820001758904, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WW8454437PC66.