Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WT C0049 016 found under Circuit Breaker by Raytheon E Systems Inc. The National Stock Number assigned to this part is 5925014811049, 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 WT C0049 016.