Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 580-08431 found under Adapter Power Supply by Thermo Scientific Portable. The National Stock Number assigned to this part is 6130016555913, 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 580-08431.