Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UPGH661-6130301 found under Circuit Breaker by Ai Tek Instruments Llc. The National Stock Number assigned to this part is 5925012548168, 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 UPGH661-6130301.