Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 89 90 241-58 found under Holder Electrical C by Rolls Royce Power Engineering Plc. The National Stock Number assigned to this part is 5977014817532, and the Federal Supply Class is 5977 Electrical Contact Brushes And Electrodes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 89 90 241-58.