Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 7700001420 found under Microphone Element by Icom Inc. The National Stock Number assigned to this part is 5965014557388, 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 7700001420.