Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E4401-60008 found under Speaker Floppy Asse by Keysight Technologies Inc. The National Stock Number assigned to this part is 5965014872713, 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 E4401-60008.