Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DO40EM25080M found under Adaptor Endmill by Kennametal Inc. The National Stock Number assigned to this part is 3460015172479, and the Federal Supply Class is 3460 Machine Tool Accessories. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DO40EM25080M.