Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 646 240 50 found under Power Controller Vo by Research International Inc. The National Stock Number assigned to this part is 6130010308578, 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 646 240 50.