Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AIR3100 found under Headset Microphone by Dv Services Inc. The National Stock Number assigned to this part is 5965014260923, 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 AIR3100.