Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DP20021 found under Tube Metallic by Deere And Company. The National Stock Number assigned to this part is 4710012903631, 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 DP20021.