Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A20 16DIN7612 5S found under Reducer Tube by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 4730121313500, 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 A20 16DIN7612 5S.