Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1491-110-IT17 found under Circuit Breaker by Duren Controls Inc. The National Stock Number assigned to this part is 5925015772416, 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 1491-110-IT17.