Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC66521-0117-02 found under Influenza Virus Vac by Novartis Pharmaceuticals Corporation. The National Stock Number assigned to this part is 6505016272406, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NDC66521-0117-02.