Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DY73DAQS4 found under Dynamotor Assy by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6125000031509, 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 DY73DAQS4.