Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 56MD1-012M1 found under Power Supply D by North Atlantic Industries Inc. The National Stock Number assigned to this part is 6130016196854, 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 56MD1-012M1.