Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6N1519 found under Tube Connector Asse by Caterpillar Inc. The National Stock Number assigned to this part is 4730015371588, 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 6N1519.