Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MOBIL-DELVAC-1-5W-40W-APISJ found under by Exxon Mobil Corporation. The National Stock Number assigned to this part is 9150014950501, and the Federal Supply Class is 9150 Oil And Grease Cutting Lubricating And Hydraulic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MOBIL-DELVAC-1-5W-40W-APISJ.