Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Q0B-120GFI found under Circuit Breaker by Square D Company. The National Stock Number assigned to this part is 5925012691105, 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 Q0B-120GFI.