Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5091776AA5 found under Brush Electrical Contact by Ametek Advanced Industries Inc. The National Stock Number assigned to this part is 5977002804674, 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 5091776AA5.