Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DY73CAQS4 found under Dynamotor by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6125003731915, 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 DY73CAQS4.