Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL15019 found under Restrictor Fluid Flow by Sss Clutch Company Inc. The National Stock Number assigned to this part is 4730013433450, 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 SL15019.