Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FFA-580A-100 found under Fan Filter Assembly by Industrial Design Laboratories Inc. The National Stock Number assigned to this part is 4230011013611, and the Federal Supply Class is 4230 Decontaminating And Impregnating Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like FFA-580A-100.