Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AQB-A-250 found under Circuit Breaker by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5925012494555, 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 AQB-A-250.