Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BDN 6641A found under Loudspeaker Microph by General Dynamics Corporation. The National Stock Number assigned to this part is 5965014153865, 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 BDN 6641A.