Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9020D56-1 found under Stator Dynamotor by Sundstrand International Corporation. The National Stock Number assigned to this part is 6125013502928, and the Federal Supply Class is 6125 Converters Electrical Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9020D56-1.