Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11-1003-12 found under Tape And Clip Assembly Indicator by Orlotronics Corporation. The National Stock Number assigned to this part is 6620002623113, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 11-1003-12.