Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6939-00 found under Elbow Pipe by Dw Hercules Llc. The National Stock Number assigned to this part is 4730002778257, and the Federal Supply Class is 4730 Hose Pipe Tube Lubrication And Railing Fittings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6939-00.