Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K939020514-1 found under Circuit Breaker by Argon Corp. The National Stock Number assigned to this part is 5925015535958, 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 K939020514-1.