Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CI2683A2 found under Earphone by Centurion Wireless Technologies Inc. The National Stock Number assigned to this part is 5965012942156, 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 CI2683A2.