Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JD403F221 found under Tube Assembly Metal by Teledyne Canada Bell Foundry. The National Stock Number assigned to this part is 4710002440419, 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 JD403F221.