Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8001-3001-0003 found under Filter Element Air by Tech Etch Inc. The National Stock Number assigned to this part is 1660013605463, and the Federal Supply Class is 1660 Aircraft Air Conditioning Heating And Pressurizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8001-3001-0003.