Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0N009554 found under Cover Microphone by Loctite Corp. The National Stock Number assigned to this part is 5965004053793, 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 0N009554.