Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A851610-1001 found under Manifold Air Line by Hydro Fitting Manufacturing. The National Stock Number assigned to this part is 4730011253158, 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 74A851610-1001.