Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5494540-201 found under Caseloudspeaker by Geosphera Hi Tech Supplies Srl Con. The National Stock Number assigned to this part is 5965016836825, 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 5494540-201.