Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B15526 found under Restrictor Fluid Fl by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 4730013882578, 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 B15526.