Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 002443 found under Nozzle Valve by Bete Fog Nozzle Inc. The National Stock Number assigned to this part is 4820016191912, 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 002443.