Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12048-03 found under Socket Plug In Electronic Components by Thomson Training And Simulation Inc. The National Stock Number assigned to this part is 5935012514089, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 12048-03.