Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3323.607 found under Filter Element Intake Air Cleane by Rittal Corp. The National Stock Number assigned to this part is 4310016020416, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3323.607.