Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F140S found under Filter Element Inta by E D Etnyre And Co. The National Stock Number assigned to this part is 2940003584636, and the Federal Supply Class is 2940 Engine Air And Oil Filters Strainers And Cleaners Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like F140S.