Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CP4-4-4-4DWG619 found under Valve Assembly by Parker Hannifin Corporation. The National Stock Number assigned to this part is 4820002315435, 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 CP4-4-4-4DWG619.