Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12-00009 found under Elbow Flange To Tube by Russell Coil Co. The National Stock Number assigned to this part is 4730005189043, 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 12-00009.