Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AP6-1-6-1-203 found under Circuit Breaker by Sensata Technologies Inc. The National Stock Number assigned to this part is 5925010891979, 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 AP6-1-6-1-203.