Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JU120B-3 4IN found under Lubricating Unit Power Operated by Kirkpatrick Group Inc The. The National Stock Number assigned to this part is 4930013281851, 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 JU120B-3 4IN.