Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E-1583 found under Filter Radio Freque by Lindgren Rf Enclosures Inc. The National Stock Number assigned to this part is 5915005561409, 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 E-1583.