Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R003-031-N127 B10 found under Marker Identificati by Orafol Americas Inc. The National Stock Number assigned to this part is 7690014394384, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R003-031-N127 B10.