Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 053 1551 found under Power Supply by Dit Mco International. The National Stock Number assigned to this part is 6130011210962, 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 053 1551.