Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HA440472 REV. C found under Counter Electrical by Norcontrol Automation A S. The National Stock Number assigned to this part is 6680014891539, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HA440472 REV. C.