Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NR80063-SC-A-5276 found under Holder Microphone by F And H Mfg Corp. The National Stock Number assigned to this part is 5965002957481, 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 NR80063-SC-A-5276.