Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ML612-6AF found under Tube Assembly Metal by Robert Manufacturing Company Inc. The National Stock Number assigned to this part is 4710010498973, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ML612-6AF.