Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS23 found under Power Supplyuninterruptible by Unipower Llc. The National Stock Number assigned to this part is 6130016763477, 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 MS23.