Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 72D 2 1 2 found under Point Rapidograph by Koh I Noor Rapidograph Inc. The National Stock Number assigned to this part is 7510002267114, 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 72D 2 1 2.