Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB1221311102010 found under Power Supply by Exide Corp. The National Stock Number assigned to this part is 6130014409787, 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 MB1221311102010.