Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PP 1660E U found under Charger Battery by Joint Electronics Type Designation. The National Stock Number assigned to this part is 6130014464132, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PP 1660E U.