Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B01 04480 found under Loudspeaker by Cooper Notification Inc. The National Stock Number assigned to this part is 5965015934477, and the Federal Supply Class is 5965 Headsets Handsets Microphones And Speakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B01 04480.