Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6211-16-16S found under Elbow Pipe To Tube by Abbatron Llc. The National Stock Number assigned to this part is 4730002785578, 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 6211-16-16S.