Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2L20FS01 found under Filter Direct Curre by Filtek. The National Stock Number assigned to this part is 5915016473831, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D2L20FS01.