Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21 00015 found under Male Elbow Spec by John Deere Company Inc. The National Stock Number assigned to this part is 4710015976910, 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 21 00015.