Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CONTROL 23-1 found under Loudspeakerelectromagnetic by Jbl Inc. The National Stock Number assigned to this part is 5965016724535, 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 CONTROL 23-1.