Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K19 2S0B0000275 found under Loudspeaker Microph by Harris Corp. The National Stock Number assigned to this part is 5965014953771, 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 K19 2S0B0000275.