Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DURIR0N2IN found under Y Branch Drain Pipe by Thos Somerville Co. The National Stock Number assigned to this part is 4730008015718, 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 DURIR0N2IN.