Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K4 1060 50 found under Circuit Breaker by Kreonite Inc. The National Stock Number assigned to this part is 5925012924648, 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 K4 1060 50.