Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1203A found under Loudspeaker Permane by General Electric Co. The National Stock Number assigned to this part is 5965002846674, 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 S1203A.