Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BR 12 883 found under Cutter Bit Tool Holder by Seco Tools Inc. The National Stock Number assigned to this part is 3455001320864, 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 BR 12 883.