Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B11724-1 found under Holder Assembly Electrical Conta by Emerson Electric Co. The National Stock Number assigned to this part is 5977000049007, 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 B11724-1.