Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CP20161 3 8 found under Nozzle Valve by Spraying Systems Co. The National Stock Number assigned to this part is 4820014512887, 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 CP20161 3 8.