Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FSA50FT45NST found under Coupling Hose by All American Hose Llc. The National Stock Number assigned to this part is 4730013612893, 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 FSA50FT45NST.