Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H17156 IT 40 found under Circuit Breaker by Hamworthy Kse Ab. The National Stock Number assigned to this part is 5925014392867, 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 H17156 IT 40.