Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 702289K9 found under Arc Chute Assembly by Brown Boveri And Cie Ag. The National Stock Number assigned to this part is 5925008859495, and the Federal Supply Class is 5925 Circuit Breakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 702289K9.