Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JU120-3-4 found under Lubricating Unit Power Operated by Kirkpatrick Group Inc The. The National Stock Number assigned to this part is 4930013138773, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JU120-3-4.