Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A612R found under Cutter Milling Half Side by F And D Tool Co Inc. The National Stock Number assigned to this part is 3455002313516, and the Federal Supply Class is 3455 Cutting Tools For Machine Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A612R.