Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FJ63B200 found under Circuit Breaker Box by Spd Electrical Systems Inc. The National Stock Number assigned to this part is 5925012255646, 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 FJ63B200.