Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15A1166-12 found under Holder Electrical Contact Brush by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5977002848355, 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 15A1166-12.