Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 491-02-010 found under Power Supply by Carolina Power Systems Of Sumter. The National Stock Number assigned to this part is 6130015667318, 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 491-02-010.