Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VSF1015A20B found under Seal Conical Flared Tube Fitting by Alcoa Global Fasteners Inc. The National Stock Number assigned to this part is 4730010344808, 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 VSF1015A20B.