Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 452D391G17 found under Circuit Breaker by Westinghouse Electric Corp. The National Stock Number assigned to this part is 5925012824640, 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 452D391G17.