Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B84209 found under Brush Electrical Co by Honeywell Intl Inc. The National Stock Number assigned to this part is 5977003951860, 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 B84209.