Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D57-00089 found under Inverter Control by Parker Hannifin Ltd. The National Stock Number assigned to this part is 6130001376159, 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 D57-00089.