Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 39Y73374 found under Power Supply by International Business Machines Corp. The National Stock Number assigned to this part is 6130016191270, 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 39Y73374.